157403015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1051}}^1$

素因数の和:1463

約数の個数: 32

約数和(自身を含む): 236321280

約数和(自身を除く): 78918265

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 389, 1051, 1945, 2723, 4279, 5255, 7357, 11561, 13615, 21395, 29953, 36785, 57805, 80927, 149765, 404635, 408839, 2044195, 2861873, 4497229, 14309365, 22486145, 31480603, 157403015]

約数ペア:

[(1, 157403015), (5, 31480603), (7, 22486145), (11, 14309365), (35, 4497229), (55, 2861873), (77, 2044195), (385, 408839), (389, 404635), (1051, 149765), (1945, 80927), (2723, 57805), (4279, 36785), (5255, 29953), (7357, 21395), (11561, 13615)]