28011568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1141

約数の個数: 40

約数和(自身を含む): 58933728

約数和(自身を除く): 30922160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 983, 1096, 1781, 1966, 2192, 3562, 3932, 7124, 7864, 12779, 14248, 15728, 25558, 28496, 51116, 102232, 134671, 204464, 269342, 538684, 1077368, 1750723, 2154736, 3501446, 7002892, 14005784, 28011568]

約数ペア:

[(1, 28011568), (2, 14005784), (4, 7002892), (8, 3501446), (13, 2154736), (16, 1750723), (26, 1077368), (52, 538684), (104, 269342), (137, 204464), (208, 134671), (274, 102232), (548, 51116), (983, 28496), (1096, 25558), (1781, 15728), (1966, 14248), (2192, 12779), (3562, 7864), (3932, 7124)]