28605616

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 60

約数和(自身を含む): 61268400

約数和(自身を除く): 32662784

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 149, 169, 208, 284, 298, 338, 568, 596, 676, 923, 1136, 1192, 1352, 1846, 1937, 2384, 2704, 3692, 3874, 7384, 7748, 10579, 11999, 14768, 15496, 21158, 23998, 25181, 30992, 42316, 47996, 50362, 84632, 95992, 100724, 137527, 169264, 191984, 201448, 275054, 402896, 550108, 1100216, 1787851, 2200432, 3575702, 7151404, 14302808, 28605616]

約数ペア:

[(1, 28605616), (2, 14302808), (4, 7151404), (8, 3575702), (13, 2200432), (16, 1787851), (26, 1100216), (52, 550108), (71, 402896), (104, 275054), (142, 201448), (149, 191984), (169, 169264), (208, 137527), (284, 100724), (298, 95992), (338, 84632), (568, 50362), (596, 47996), (676, 42316), (923, 30992), (1136, 25181), (1192, 23998), (1352, 21158), (1846, 15496), (1937, 14768), (2384, 11999), (2704, 10579), (3692, 7748), (3874, 7384)]