204080456

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{689461}}^1$

素因数の和:689504

約数の個数: 16

約数和(自身を含む): 392993340

約数和(自身を除く): 188912884

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 689461, 1378922, 2757844, 5515688, 25510057, 51020114, 102040228, 204080456]

約数ペア:

[(1, 204080456), (2, 102040228), (4, 51020114), (8, 25510057), (37, 5515688), (74, 2757844), (148, 1378922), (296, 689461)]