1871777401

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 2193827328

約数和(自身を除く): 322049927

約数列:

[1, 13, 17, 43, 221, 431, 457, 559, 731, 5603, 5941, 7327, 7769, 9503, 18533, 19651, 95251, 100997, 196967, 240929, 255463, 315061, 334067, 2560571, 3348439, 4095793, 4342871, 8469581, 43529707, 110104553, 143982877, 1871777401]

約数ペア:

[(1, 1871777401), (13, 143982877), (17, 110104553), (43, 43529707), (221, 8469581), (431, 4342871), (457, 4095793), (559, 3348439), (731, 2560571), (5603, 334067), (5941, 315061), (7327, 255463), (7769, 240929), (9503, 196967), (18533, 100997), (19651, 95251)]