156728870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{2647}}^1$

素因数の和:2876

約数の個数: 32

約数和(自身を含む): 292847616

約数和(自身を除く): 136118746

約数列:

[1, 2, 5, 10, 31, 62, 155, 191, 310, 382, 955, 1910, 2647, 5294, 5921, 11842, 13235, 26470, 29605, 59210, 82057, 164114, 410285, 505577, 820570, 1011154, 2527885, 5055770, 15672887, 31345774, 78364435, 156728870]

約数ペア:

[(1, 156728870), (2, 78364435), (5, 31345774), (10, 15672887), (31, 5055770), (62, 2527885), (155, 1011154), (191, 820570), (310, 505577), (382, 410285), (955, 164114), (1910, 82057), (2647, 59210), (5294, 29605), (5921, 26470), (11842, 13235)]