491987135

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2\times {\mathrm{1229}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 627181920

約数和(自身を除く): 135194785

約数列:

[1, 5, 23, 59, 115, 295, 1229, 1357, 3481, 6145, 6785, 17405, 28267, 72511, 80063, 141335, 362555, 400315, 1667753, 4278149, 8338765, 21390745, 98397427, 491987135]

約数ペア:

[(1, 491987135), (5, 98397427), (23, 21390745), (59, 8338765), (115, 4278149), (295, 1667753), (1229, 400315), (1357, 362555), (3481, 141335), (6145, 80063), (6785, 72511), (17405, 28267)]