31680428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4447}}^1$

素因数の和:4601

約数の個数: 24

約数和(自身を含む): 60154752

約数和(自身を除く): 28474324

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 4447, 7124, 8894, 17788, 57811, 115622, 231244, 609239, 1218478, 2436956, 7920107, 15840214, 31680428]

約数ペア:

[(1, 31680428), (2, 15840214), (4, 7920107), (13, 2436956), (26, 1218478), (52, 609239), (137, 231244), (274, 115622), (548, 57811), (1781, 17788), (3562, 8894), (4447, 7124)]