256127831255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1171111}}^1$

素因数の和:1171247

約数の個数: 32

約数和(自身を含む): 339978498048

約数和(自身を除く): 83850666793

約数列:

[1, 5, 17, 31, 83, 85, 155, 415, 527, 1411, 2573, 2635, 7055, 12865, 43741, 218705, 1171111, 5855555, 19908887, 36304441, 97202213, 99544435, 181522205, 486011065, 617175497, 1652437621, 3013268603, 3085877485, 8262188105, 15066343015, 51225566251, 256127831255]

約数ペア:

[(1, 256127831255), (5, 51225566251), (17, 15066343015), (31, 8262188105), (83, 3085877485), (85, 3013268603), (155, 1652437621), (415, 617175497), (527, 486011065), (1411, 181522205), (2573, 99544435), (2635, 97202213), (7055, 36304441), (12865, 19908887), (43741, 5855555), (218705, 1171111)]