28776904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3109}}^1$

素因数の和:3217

約数の個数: 32

約数和(自身を含む): 58779000

約数和(自身を除く): 30002096

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2314, 3109, 4628, 6218, 9256, 12436, 24872, 40417, 80834, 161668, 276701, 323336, 553402, 1106804, 2213608, 3597113, 7194226, 14388452, 28776904]

約数ペア:

[(1, 28776904), (2, 14388452), (4, 7194226), (8, 3597113), (13, 2213608), (26, 1106804), (52, 553402), (89, 323336), (104, 276701), (178, 161668), (356, 80834), (712, 40417), (1157, 24872), (2314, 12436), (3109, 9256), (4628, 6218)]