128815477

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 162950400

約数和(自身を除く): 34134923

約数列:

[1, 7, 17, 29, 119, 163, 203, 229, 493, 1141, 1603, 2771, 3451, 3893, 4727, 6641, 19397, 27251, 33089, 37327, 46487, 80359, 112897, 261289, 562513, 634559, 790279, 1082483, 4441913, 7577381, 18402211, 128815477]

約数ペア:

[(1, 128815477), (7, 18402211), (17, 7577381), (29, 4441913), (119, 1082483), (163, 790279), (203, 634559), (229, 562513), (493, 261289), (1141, 112897), (1603, 80359), (2771, 46487), (3451, 37327), (3893, 33089), (4727, 27251), (6641, 19397)]