253162806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{87721}}^1$

素因数の和:87776

約数の個数: 32

約数和(自身を含む): 560017248

約数和(自身を除く): 306854442

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 87721, 175442, 263163, 526326, 1140373, 2280746, 3245677, 3421119, 6491354, 6842238, 9737031, 19474062, 42193801, 84387602, 126581403, 253162806]

約数ペア:

[(1, 253162806), (2, 126581403), (3, 84387602), (6, 42193801), (13, 19474062), (26, 9737031), (37, 6842238), (39, 6491354), (74, 3421119), (78, 3245677), (111, 2280746), (222, 1140373), (481, 526326), (962, 263163), (1443, 175442), (2886, 87721)]