978428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 1921584

約数和(自身を除く): 943156

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 601, 814, 1202, 1628, 2404, 6611, 13222, 22237, 26444, 44474, 88948, 244607, 489214, 978428]

約数ペア:

[(1, 978428), (2, 489214), (4, 244607), (11, 88948), (22, 44474), (37, 26444), (44, 22237), (74, 13222), (148, 6611), (407, 2404), (601, 1628), (814, 1202)]