983898890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2341}}^1$

素因数の和:2475

約数の個数: 64

約数和(自身を含む): 1975936032

約数和(自身を除く): 992037142

約数列:

[1, 2, 5, 10, 13, 26, 53, 61, 65, 106, 122, 130, 265, 305, 530, 610, 689, 793, 1378, 1586, 2341, 3233, 3445, 3965, 4682, 6466, 6890, 7930, 11705, 16165, 23410, 30433, 32330, 42029, 60866, 84058, 124073, 142801, 152165, 210145, 248146, 285602, 304330, 420290, 620365, 714005, 1240730, 1428010, 1612949, 1856413, 3225898, 3712826, 7568453, 8064745, 9282065, 15136906, 16129490, 18564130, 37842265, 75684530, 98389889, 196779778, 491949445, 983898890]

約数ペア:

[(1, 983898890), (2, 491949445), (5, 196779778), (10, 98389889), (13, 75684530), (26, 37842265), (53, 18564130), (61, 16129490), (65, 15136906), (106, 9282065), (122, 8064745), (130, 7568453), (265, 3712826), (305, 3225898), (530, 1856413), (610, 1612949), (689, 1428010), (793, 1240730), (1378, 714005), (1586, 620365), (2341, 420290), (3233, 304330), (3445, 285602), (3965, 248146), (4682, 210145), (6466, 152165), (6890, 142801), (7930, 124073), (11705, 84058), (16165, 60866), (23410, 42029), (30433, 32330)]