221400748

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{509}}^1\times {\mathrm{2939}}^1$

素因数の和:3489

約数の個数: 24

約数和(自身を含む): 398840400

約数和(自身を除く): 177439652

約数列:

[1, 2, 4, 37, 74, 148, 509, 1018, 2036, 2939, 5878, 11756, 18833, 37666, 75332, 108743, 217486, 434972, 1495951, 2991902, 5983804, 55350187, 110700374, 221400748]

約数ペア:

[(1, 221400748), (2, 110700374), (4, 55350187), (37, 5983804), (74, 2991902), (148, 1495951), (509, 434972), (1018, 217486), (2036, 108743), (2939, 75332), (5878, 37666), (11756, 18833)]