78781378

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{3821}}^1$

素因数の和:3910

約数の個数: 24

約数和(自身を含む): 130093236

約数和(自身を除く): 51311858

約数列:

[1, 2, 13, 26, 61, 122, 169, 338, 793, 1586, 3821, 7642, 10309, 20618, 49673, 99346, 233081, 466162, 645749, 1291498, 3030053, 6060106, 39390689, 78781378]

約数ペア:

[(1, 78781378), (2, 39390689), (13, 6060106), (26, 3030053), (61, 1291498), (122, 645749), (169, 466162), (338, 233081), (793, 99346), (1586, 49673), (3821, 20618), (7642, 10309)]