16828525

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 25784064

約数和(自身を除く): 8955539

約数列:

[1, 5, 7, 23, 25, 35, 37, 113, 115, 161, 175, 185, 259, 565, 575, 791, 805, 851, 925, 1295, 2599, 2825, 3955, 4025, 4181, 4255, 5957, 6475, 12995, 18193, 19775, 20905, 21275, 29267, 29785, 64975, 90965, 96163, 104525, 146335, 148925, 454825, 480815, 673141, 731675, 2404075, 3365705, 16828525]

約数ペア:

[(1, 16828525), (5, 3365705), (7, 2404075), (23, 731675), (25, 673141), (35, 480815), (37, 454825), (113, 148925), (115, 146335), (161, 104525), (175, 96163), (185, 90965), (259, 64975), (565, 29785), (575, 29267), (791, 21275), (805, 20905), (851, 19775), (925, 18193), (1295, 12995), (2599, 6475), (2825, 5957), (3955, 4255), (4025, 4181)]