12957876965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{19661}}^1$

素因数の和:20221

約数の個数: 32

約数和(自身を含む): 17735438592

約数和(自身を除く): 4777561627

約数列:

[1, 5, 11, 23, 55, 115, 253, 521, 1265, 2605, 5731, 11983, 19661, 28655, 59915, 98305, 131813, 216271, 452203, 659065, 1081355, 2261015, 4974233, 10243381, 24871165, 51216905, 112677191, 235597763, 563385955, 1177988815, 2591575393, 12957876965]

約数ペア:

[(1, 12957876965), (5, 2591575393), (11, 1177988815), (23, 563385955), (55, 235597763), (115, 112677191), (253, 51216905), (521, 24871165), (1265, 10243381), (2605, 4974233), (5731, 2261015), (11983, 1081355), (19661, 659065), (28655, 452203), (59915, 216271), (98305, 131813)]