198762512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 431722368

約数和(自身を除く): 232959856

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 71, 86, 104, 142, 172, 208, 284, 313, 344, 559, 568, 626, 688, 923, 1118, 1136, 1252, 1846, 2236, 2504, 3053, 3692, 4069, 4472, 5008, 6106, 7384, 8138, 8944, 12212, 13459, 14768, 16276, 22223, 24424, 26918, 32552, 39689, 44446, 48848, 53836, 65104, 79378, 88892, 107672, 158756, 174967, 177784, 215344, 288899, 317512, 349934, 355568, 577798, 635024, 699868, 955589, 1155596, 1399736, 1911178, 2311192, 2799472, 3822356, 4622384, 7644712, 12422657, 15289424, 24845314, 49690628, 99381256, 198762512]

約数ペア:

[(1, 198762512), (2, 99381256), (4, 49690628), (8, 24845314), (13, 15289424), (16, 12422657), (26, 7644712), (43, 4622384), (52, 3822356), (71, 2799472), (86, 2311192), (104, 1911178), (142, 1399736), (172, 1155596), (208, 955589), (284, 699868), (313, 635024), (344, 577798), (559, 355568), (568, 349934), (626, 317512), (688, 288899), (923, 215344), (1118, 177784), (1136, 174967), (1252, 158756), (1846, 107672), (2236, 88892), (2504, 79378), (3053, 65104), (3692, 53836), (4069, 48848), (4472, 44446), (5008, 39689), (6106, 32552), (7384, 26918), (8138, 24424), (8944, 22223), (12212, 16276), (13459, 14768)]