668889205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{2503}}^1$

素因数の和:2653

約数の個数: 32

約数和(自身を含む): 883411200

約数和(自身を除く): 214521995

約数列:

[1, 5, 19, 29, 95, 97, 145, 485, 551, 1843, 2503, 2755, 2813, 9215, 12515, 14065, 47557, 53447, 72587, 237785, 242791, 267235, 362935, 1213955, 1379153, 4613029, 6895765, 7040939, 23065145, 35204695, 133777841, 668889205]

約数ペア:

[(1, 668889205), (5, 133777841), (19, 35204695), (29, 23065145), (95, 7040939), (97, 6895765), (145, 4613029), (485, 1379153), (551, 1213955), (1843, 362935), (2503, 267235), (2755, 242791), (2813, 237785), (9215, 72587), (12515, 53447), (14065, 47557)]