639987006

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{33851}}^1$

素因数の和:34016

約数の個数: 32

約数和(自身を含む): 1345413888

約数和(自身を除く): 705426882

約数列:

[1, 2, 3, 6, 23, 46, 69, 137, 138, 274, 411, 822, 3151, 6302, 9453, 18906, 33851, 67702, 101553, 203106, 778573, 1557146, 2335719, 4637587, 4671438, 9275174, 13912761, 27825522, 106664501, 213329002, 319993503, 639987006]

約数ペア:

[(1, 639987006), (2, 319993503), (3, 213329002), (6, 106664501), (23, 27825522), (46, 13912761), (69, 9275174), (137, 4671438), (138, 4637587), (274, 2335719), (411, 1557146), (822, 778573), (3151, 203106), (6302, 101553), (9453, 67702), (18906, 33851)]