78676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 158760

約数和(自身を除く): 80084

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 89, 178, 221, 356, 442, 884, 1157, 1513, 2314, 3026, 4628, 6052, 19669, 39338, 78676]

約数ペア:

[(1, 78676), (2, 39338), (4, 19669), (13, 6052), (17, 4628), (26, 3026), (34, 2314), (52, 1513), (68, 1157), (89, 884), (178, 442), (221, 356)]