128991475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11807}}^1$

素因数の和:11859

約数の個数: 24

約数和(自身を含む): 175703040

約数和(自身を除く): 46711565

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 2185, 10925, 11807, 59035, 224333, 271561, 295175, 1121665, 1357805, 5159659, 5608325, 6789025, 25798295, 128991475]

約数ペア:

[(1, 128991475), (5, 25798295), (19, 6789025), (23, 5608325), (25, 5159659), (95, 1357805), (115, 1121665), (437, 295175), (475, 271561), (575, 224333), (2185, 59035), (10925, 11807)]