78432458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2909}}^1$

素因数の和:3002

約数の個数: 32

約数和(自身を含む): 136397520

約数和(自身を除く): 57965062

約数列:

[1, 2, 13, 17, 26, 34, 61, 122, 221, 442, 793, 1037, 1586, 2074, 2909, 5818, 13481, 26962, 37817, 49453, 75634, 98906, 177449, 354898, 642889, 1285778, 2306837, 3016633, 4613674, 6033266, 39216229, 78432458]

約数ペア:

[(1, 78432458), (2, 39216229), (13, 6033266), (17, 4613674), (26, 3016633), (34, 2306837), (61, 1285778), (122, 642889), (221, 354898), (442, 177449), (793, 98906), (1037, 75634), (1586, 49453), (2074, 37817), (2909, 26962), (5818, 13481)]