199045730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{49391}}^1$

素因数の和:49442

約数の個数: 32

約数和(自身を含む): 398297088

約数和(自身を除く): 199251358

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 49391, 98782, 246955, 493910, 642083, 1284166, 1531121, 3062242, 3210415, 6420830, 7655605, 15311210, 19904573, 39809146, 99522865, 199045730]

約数ペア:

[(1, 199045730), (2, 99522865), (5, 39809146), (10, 19904573), (13, 15311210), (26, 7655605), (31, 6420830), (62, 3210415), (65, 3062242), (130, 1531121), (155, 1284166), (310, 642083), (403, 493910), (806, 246955), (2015, 98782), (4030, 49391)]