258996856

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{383}}^1\times {\mathrm{617}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 491235840

約数和(自身を除く): 232238984

約数列:

[1, 2, 4, 8, 137, 274, 383, 548, 617, 766, 1096, 1234, 1532, 2468, 3064, 4936, 52471, 84529, 104942, 169058, 209884, 236311, 338116, 419768, 472622, 676232, 945244, 1890488, 32374607, 64749214, 129498428, 258996856]

約数ペア:

[(1, 258996856), (2, 129498428), (4, 64749214), (8, 32374607), (137, 1890488), (274, 945244), (383, 676232), (548, 472622), (617, 419768), (766, 338116), (1096, 236311), (1234, 209884), (1532, 169058), (2468, 104942), (3064, 84529), (4936, 52471)]