621103304

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{499}}^1\times {\mathrm{991}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 1175520000

約数和(自身を除く): 554416696

約数列:

[1, 2, 4, 8, 157, 314, 499, 628, 991, 998, 1256, 1982, 1996, 3964, 3992, 7928, 78343, 155587, 156686, 311174, 313372, 494509, 622348, 626744, 989018, 1244696, 1978036, 3956072, 77637913, 155275826, 310551652, 621103304]

約数ペア:

[(1, 621103304), (2, 310551652), (4, 155275826), (8, 77637913), (157, 3956072), (314, 1978036), (499, 1244696), (628, 989018), (991, 626744), (998, 622348), (1256, 494509), (1982, 313372), (1996, 311174), (3964, 156686), (3992, 155587), (7928, 78343)]