261642008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{15233}}^1$

素因数の和:15371

約数の個数: 32

約数和(自身を含む): 521002800

約数和(自身を除く): 259360792

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 452, 904, 2147, 4294, 8588, 15233, 17176, 30466, 60932, 121864, 289427, 578854, 1157708, 1721329, 2315416, 3442658, 6885316, 13770632, 32705251, 65410502, 130821004, 261642008]

約数ペア:

[(1, 261642008), (2, 130821004), (4, 65410502), (8, 32705251), (19, 13770632), (38, 6885316), (76, 3442658), (113, 2315416), (152, 1721329), (226, 1157708), (452, 578854), (904, 289427), (2147, 121864), (4294, 60932), (8588, 30466), (15233, 17176)]