749731528

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 1806336000

約数和(自身を除く): 1056604472

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 139, 182, 217, 239, 248, 278, 364, 403, 434, 478, 556, 728, 806, 868, 956, 973, 1112, 1612, 1673, 1736, 1807, 1912, 1946, 2821, 3107, 3224, 3346, 3614, 3892, 4309, 5642, 6214, 6692, 7228, 7409, 7784, 8618, 11284, 12428, 12649, 13384, 14456, 14818, 17236, 21749, 22568, 24856, 25298, 29636, 30163, 33221, 34472, 43498, 50596, 51863, 56017, 59272, 60326, 66442, 86996, 96317, 101192, 103726, 112034, 120652, 132884, 173992, 192634, 207452, 224068, 232547, 241304, 265768, 385268, 392119, 414904, 431873, 448136, 465094, 674219, 770536, 784238, 863746, 930188, 1029851, 1348438, 1568476, 1727492, 1860376, 2059702, 2696876, 3023111, 3136952, 3454984, 4119404, 5393752, 6046222, 7208957, 8238808, 12092444, 13388063, 14417914, 24184888, 26776126, 28835828, 53552252, 57671656, 93716441, 107104504, 187432882, 374865764, 749731528]

約数ペア:

[(1, 749731528), (2, 374865764), (4, 187432882), (7, 107104504), (8, 93716441), (13, 57671656), (14, 53552252), (26, 28835828), (28, 26776126), (31, 24184888), (52, 14417914), (56, 13388063), (62, 12092444), (91, 8238808), (104, 7208957), (124, 6046222), (139, 5393752), (182, 4119404), (217, 3454984), (239, 3136952), (248, 3023111), (278, 2696876), (364, 2059702), (403, 1860376), (434, 1727492), (478, 1568476), (556, 1348438), (728, 1029851), (806, 930188), (868, 863746), (956, 784238), (973, 770536), (1112, 674219), (1612, 465094), (1673, 448136), (1736, 431873), (1807, 414904), (1912, 392119), (1946, 385268), (2821, 265768), (3107, 241304), (3224, 232547), (3346, 224068), (3614, 207452), (3892, 192634), (4309, 173992), (5642, 132884), (6214, 120652), (6692, 112034), (7228, 103726), (7409, 101192), (7784, 96317), (8618, 86996), (11284, 66442), (12428, 60326), (12649, 59272), (13384, 56017), (14456, 51863), (14818, 50596), (17236, 43498), (21749, 34472), (22568, 33221), (24856, 30163), (25298, 29636)]