67839005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 91542528

約数和(自身を除く): 23703523

約数列:

[1, 5, 13, 31, 65, 131, 155, 257, 403, 655, 1285, 1703, 2015, 3341, 4061, 7967, 8515, 16705, 20305, 33667, 39835, 52793, 103571, 168335, 263965, 437671, 517855, 1043677, 2188355, 5218385, 13567801, 67839005]

約数ペア:

[(1, 67839005), (5, 13567801), (13, 5218385), (31, 2188355), (65, 1043677), (131, 517855), (155, 437671), (257, 263965), (403, 168335), (655, 103571), (1285, 52793), (1703, 39835), (2015, 33667), (3341, 20305), (4061, 16705), (7967, 8515)]