291256590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{422111}}^1$

素因数の和:422144

約数の個数: 32

約数和(自身を含む): 729409536

約数和(自身を除く): 438152946

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 422111, 844222, 1266333, 2110555, 2532666, 4221110, 6331665, 9708553, 12663330, 19417106, 29125659, 48542765, 58251318, 97085530, 145628295, 291256590]

約数ペア:

[(1, 291256590), (2, 145628295), (3, 97085530), (5, 58251318), (6, 48542765), (10, 29125659), (15, 19417106), (23, 12663330), (30, 9708553), (46, 6331665), (69, 4221110), (115, 2532666), (138, 2110555), (230, 1266333), (345, 844222), (690, 422111)]