671307728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 1679892480

約数和(自身を除く): 1008584752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 107, 112, 124, 139, 182, 208, 214, 217, 248, 278, 364, 403, 428, 434, 496, 556, 728, 749, 806, 856, 868, 973, 1112, 1391, 1456, 1498, 1612, 1712, 1736, 1807, 1946, 2224, 2782, 2821, 2996, 3224, 3317, 3472, 3614, 3892, 4309, 5564, 5642, 5992, 6448, 6634, 7228, 7784, 8618, 9737, 11128, 11284, 11984, 12649, 13268, 14456, 14873, 15568, 17236, 19474, 22256, 22568, 23219, 25298, 26536, 28912, 29746, 30163, 34472, 38948, 43121, 45136, 46438, 50596, 53072, 56017, 59492, 60326, 68944, 77896, 86242, 92876, 101192, 104111, 112034, 118984, 120652, 155792, 172484, 185752, 193349, 202384, 208222, 224068, 237968, 241304, 301847, 344968, 371504, 386698, 392119, 416444, 448136, 461063, 482608, 603694, 689936, 773396, 784238, 832888, 896272, 922126, 1207388, 1353443, 1546792, 1568476, 1665776, 1844252, 2414776, 2706886, 3093584, 3136952, 3227441, 3688504, 4829552, 5413772, 5993819, 6273904, 6454882, 7377008, 10827544, 11987638, 12909764, 21655088, 23975276, 25819528, 41956733, 47950552, 51639056, 83913466, 95901104, 167826932, 335653864, 671307728]

約数ペア:

[(1, 671307728), (2, 335653864), (4, 167826932), (7, 95901104), (8, 83913466), (13, 51639056), (14, 47950552), (16, 41956733), (26, 25819528), (28, 23975276), (31, 21655088), (52, 12909764), (56, 11987638), (62, 10827544), (91, 7377008), (104, 6454882), (107, 6273904), (112, 5993819), (124, 5413772), (139, 4829552), (182, 3688504), (208, 3227441), (214, 3136952), (217, 3093584), (248, 2706886), (278, 2414776), (364, 1844252), (403, 1665776), (428, 1568476), (434, 1546792), (496, 1353443), (556, 1207388), (728, 922126), (749, 896272), (806, 832888), (856, 784238), (868, 773396), (973, 689936), (1112, 603694), (1391, 482608), (1456, 461063), (1498, 448136), (1612, 416444), (1712, 392119), (1736, 386698), (1807, 371504), (1946, 344968), (2224, 301847), (2782, 241304), (2821, 237968), (2996, 224068), (3224, 208222), (3317, 202384), (3472, 193349), (3614, 185752), (3892, 172484), (4309, 155792), (5564, 120652), (5642, 118984), (5992, 112034), (6448, 104111), (6634, 101192), (7228, 92876), (7784, 86242), (8618, 77896), (9737, 68944), (11128, 60326), (11284, 59492), (11984, 56017), (12649, 53072), (13268, 50596), (14456, 46438), (14873, 45136), (15568, 43121), (17236, 38948), (19474, 34472), (22256, 30163), (22568, 29746), (23219, 28912), (25298, 26536)]