898982315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 1384197120

約数和(自身を除く): 485214805

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 101, 305, 379, 385, 427, 505, 671, 707, 1111, 1895, 2135, 2653, 3355, 3535, 4169, 4697, 5555, 6161, 7777, 13265, 20845, 23119, 23485, 29183, 30805, 38279, 38885, 43127, 67771, 115595, 145915, 161833, 191395, 215635, 254309, 267953, 338855, 421069, 474397, 809165, 1271545, 1339765, 1780163, 2105345, 2335019, 2371985, 2947483, 8900815, 11675095, 14737415, 16345133, 25685209, 81725665, 128426045, 179796463, 898982315]

約数ペア:

[(1, 898982315), (5, 179796463), (7, 128426045), (11, 81725665), (35, 25685209), (55, 16345133), (61, 14737415), (77, 11675095), (101, 8900815), (305, 2947483), (379, 2371985), (385, 2335019), (427, 2105345), (505, 1780163), (671, 1339765), (707, 1271545), (1111, 809165), (1895, 474397), (2135, 421069), (2653, 338855), (3355, 267953), (3535, 254309), (4169, 215635), (4697, 191395), (5555, 161833), (6161, 145915), (7777, 115595), (13265, 67771), (20845, 43127), (23119, 38885), (23485, 38279), (29183, 30805)]