331317896

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1471

約数の個数: 128

約数和(自身を含む): 852768000

約数和(自身を除く): 521450104

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 19, 26, 28, 34, 38, 52, 56, 68, 76, 91, 104, 119, 133, 136, 152, 182, 221, 238, 247, 266, 323, 364, 442, 476, 494, 532, 646, 728, 884, 952, 988, 1064, 1292, 1409, 1547, 1729, 1768, 1976, 2261, 2584, 2818, 3094, 3458, 4199, 4522, 5636, 6188, 6916, 8398, 9044, 9863, 11272, 12376, 13832, 16796, 18088, 18317, 19726, 23953, 26771, 29393, 33592, 36634, 39452, 47906, 53542, 58786, 73268, 78904, 95812, 107084, 117572, 128219, 146536, 167671, 187397, 191624, 214168, 235144, 256438, 311389, 335342, 348023, 374794, 455107, 512876, 622778, 670684, 696046, 749588, 910214, 1025752, 1245556, 1341368, 1392092, 1499176, 1820428, 2179723, 2436161, 2491112, 2784184, 3185749, 3640856, 4359446, 4872322, 5916391, 6371498, 8718892, 9744644, 11832782, 12742996, 17437784, 19489288, 23665564, 25485992, 41414737, 47331128, 82829474, 165658948, 331317896]

約数ペア:

[(1, 331317896), (2, 165658948), (4, 82829474), (7, 47331128), (8, 41414737), (13, 25485992), (14, 23665564), (17, 19489288), (19, 17437784), (26, 12742996), (28, 11832782), (34, 9744644), (38, 8718892), (52, 6371498), (56, 5916391), (68, 4872322), (76, 4359446), (91, 3640856), (104, 3185749), (119, 2784184), (133, 2491112), (136, 2436161), (152, 2179723), (182, 1820428), (221, 1499176), (238, 1392092), (247, 1341368), (266, 1245556), (323, 1025752), (364, 910214), (442, 749588), (476, 696046), (494, 670684), (532, 622778), (646, 512876), (728, 455107), (884, 374794), (952, 348023), (988, 335342), (1064, 311389), (1292, 256438), (1409, 235144), (1547, 214168), (1729, 191624), (1768, 187397), (1976, 167671), (2261, 146536), (2584, 128219), (2818, 117572), (3094, 107084), (3458, 95812), (4199, 78904), (4522, 73268), (5636, 58786), (6188, 53542), (6916, 47906), (8398, 39452), (9044, 36634), (9863, 33592), (11272, 29393), (12376, 26771), (13832, 23953), (16796, 19726), (18088, 18317)]