421419628

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{643}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 856880640

約数和(自身を除く): 435461012

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 263, 356, 526, 623, 643, 1052, 1246, 1286, 1841, 2492, 2572, 3682, 4501, 7364, 9002, 18004, 23407, 46814, 57227, 93628, 114454, 163849, 169109, 228908, 327698, 338218, 400589, 655396, 676436, 801178, 1183763, 1602356, 2367526, 4735052, 15050701, 30101402, 60202804, 105354907, 210709814, 421419628]

約数ペア:

[(1, 421419628), (2, 210709814), (4, 105354907), (7, 60202804), (14, 30101402), (28, 15050701), (89, 4735052), (178, 2367526), (263, 1602356), (356, 1183763), (526, 801178), (623, 676436), (643, 655396), (1052, 400589), (1246, 338218), (1286, 327698), (1841, 228908), (2492, 169109), (2572, 163849), (3682, 114454), (4501, 93628), (7364, 57227), (9002, 46814), (18004, 23407)]