257029392

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1307}}^1$

素因数の和:1576

約数の個数: 80

約数和(自身を含む): 706508352

約数和(自身を除く): 449478960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 241, 272, 408, 482, 723, 816, 964, 1307, 1446, 1928, 2614, 2892, 3856, 3921, 4097, 5228, 5784, 7842, 8194, 10456, 11568, 12291, 15684, 16388, 20912, 22219, 24582, 31368, 32776, 44438, 49164, 62736, 65552, 66657, 88876, 98328, 133314, 177752, 196656, 266628, 314987, 355504, 533256, 629974, 944961, 1066512, 1259948, 1889922, 2519896, 3779844, 5039792, 5354779, 7559688, 10709558, 15119376, 16064337, 21419116, 32128674, 42838232, 64257348, 85676464, 128514696, 257029392]

約数ペア:

[(1, 257029392), (2, 128514696), (3, 85676464), (4, 64257348), (6, 42838232), (8, 32128674), (12, 21419116), (16, 16064337), (17, 15119376), (24, 10709558), (34, 7559688), (48, 5354779), (51, 5039792), (68, 3779844), (102, 2519896), (136, 1889922), (204, 1259948), (241, 1066512), (272, 944961), (408, 629974), (482, 533256), (723, 355504), (816, 314987), (964, 266628), (1307, 196656), (1446, 177752), (1928, 133314), (2614, 98328), (2892, 88876), (3856, 66657), (3921, 65552), (4097, 62736), (5228, 49164), (5784, 44438), (7842, 32776), (8194, 31368), (10456, 24582), (11568, 22219), (12291, 20912), (15684, 16388)]