390220828

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{3461}}^1$

素因数の和:3933

約数の個数: 24

約数和(自身を含む): 694449504

約数和(自身を除く): 304228676

約数列:

[1, 2, 4, 71, 142, 284, 397, 794, 1588, 3461, 6922, 13844, 28187, 56374, 112748, 245731, 491462, 982924, 1374017, 2748034, 5496068, 97555207, 195110414, 390220828]

約数ペア:

[(1, 390220828), (2, 195110414), (4, 97555207), (71, 5496068), (142, 2748034), (284, 1374017), (397, 982924), (794, 491462), (1588, 245731), (3461, 112748), (6922, 56374), (13844, 28187)]