69788285

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 99753984

約数和(自身を除く): 29965699

約数列:

[1, 5, 7, 31, 35, 131, 155, 217, 491, 655, 917, 1085, 2455, 3437, 4061, 4585, 15221, 17185, 20305, 28427, 64321, 76105, 106547, 142135, 321605, 450247, 532735, 1993951, 2251235, 9969755, 13957657, 69788285]

約数ペア:

[(1, 69788285), (5, 13957657), (7, 9969755), (31, 2251235), (35, 1993951), (131, 532735), (155, 450247), (217, 321605), (491, 142135), (655, 106547), (917, 76105), (1085, 64321), (2455, 28427), (3437, 20305), (4061, 17185), (4585, 15221)]