77777128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67987}}^1$

素因数の和:68017

約数の個数: 32

約数和(自身を含む): 171329760

約数和(自身を除く): 93552632

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 67987, 135974, 271948, 543896, 747857, 883831, 1495714, 1767662, 2991428, 3535324, 5982856, 7070648, 9722141, 19444282, 38888564, 77777128]

約数ペア:

[(1, 77777128), (2, 38888564), (4, 19444282), (8, 9722141), (11, 7070648), (13, 5982856), (22, 3535324), (26, 2991428), (44, 1767662), (52, 1495714), (88, 883831), (104, 747857), (143, 543896), (286, 271948), (572, 135974), (1144, 67987)]