12457115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 17141760

約数和(自身を除く): 4684645

約数列:

[1, 5, 11, 47, 55, 61, 79, 235, 305, 395, 517, 671, 869, 2585, 2867, 3355, 3713, 4345, 4819, 14335, 18565, 24095, 31537, 40843, 53009, 157685, 204215, 226493, 265045, 1132465, 2491423, 12457115]

約数ペア:

[(1, 12457115), (5, 2491423), (11, 1132465), (47, 265045), (55, 226493), (61, 204215), (79, 157685), (235, 53009), (305, 40843), (395, 31537), (517, 24095), (671, 18565), (869, 14335), (2585, 4819), (2867, 4345), (3355, 3713)]