218291230

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{853}}^1$

素因数の和:1180

約数の個数: 32

約数和(自身を含む): 398319264

約数和(自身を除く): 180028034

約数列:

[1, 2, 5, 10, 157, 163, 314, 326, 785, 815, 853, 1570, 1630, 1706, 4265, 8530, 25591, 51182, 127955, 133921, 139039, 255910, 267842, 278078, 669605, 695195, 1339210, 1390390, 21829123, 43658246, 109145615, 218291230]

約数ペア:

[(1, 218291230), (2, 109145615), (5, 43658246), (10, 21829123), (157, 1390390), (163, 1339210), (314, 695195), (326, 669605), (785, 278078), (815, 267842), (853, 255910), (1570, 139039), (1630, 133921), (1706, 127955), (4265, 51182), (8530, 25591)]