25181970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 66531456

約数和(自身を除く): 41349486

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 137, 165, 274, 330, 411, 557, 685, 822, 1114, 1370, 1507, 1671, 2055, 2785, 3014, 3342, 4110, 4521, 5570, 6127, 7535, 8355, 9042, 12254, 15070, 16710, 18381, 22605, 30635, 36762, 45210, 61270, 76309, 91905, 152618, 183810, 228927, 381545, 457854, 763090, 839399, 1144635, 1678798, 2289270, 2518197, 4196995, 5036394, 8393990, 12590985, 25181970]

約数ペア:

[(1, 25181970), (2, 12590985), (3, 8393990), (5, 5036394), (6, 4196995), (10, 2518197), (11, 2289270), (15, 1678798), (22, 1144635), (30, 839399), (33, 763090), (55, 457854), (66, 381545), (110, 228927), (137, 183810), (165, 152618), (274, 91905), (330, 76309), (411, 61270), (557, 45210), (685, 36762), (822, 30635), (1114, 22605), (1370, 18381), (1507, 16710), (1671, 15070), (2055, 12254), (2785, 9042), (3014, 8355), (3342, 7535), (4110, 6127), (4521, 5570)]