638615710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{61583}}^1$

素因数の和:61668

約数の個数: 32

約数和(自身を含む): 1237099392

約数和(自身を除く): 598483682

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 10370, 61583, 123166, 307915, 615830, 1046911, 2093822, 3756563, 5234555, 7513126, 10469110, 18782815, 37565630, 63861571, 127723142, 319307855, 638615710]

約数ペア:

[(1, 638615710), (2, 319307855), (5, 127723142), (10, 63861571), (17, 37565630), (34, 18782815), (61, 10469110), (85, 7513126), (122, 5234555), (170, 3756563), (305, 2093822), (610, 1046911), (1037, 615830), (2074, 307915), (5185, 123166), (10370, 61583)]