1256528

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:891

約数の個数: 40

約数和(自身を含む): 2999808

約数和(自身を除く): 1743280

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 863, 1456, 1726, 3452, 6041, 6904, 11219, 12082, 13808, 22438, 24164, 44876, 48328, 78533, 89752, 96656, 157066, 179504, 314132, 628264, 1256528]

約数ペア:

[(1, 1256528), (2, 628264), (4, 314132), (7, 179504), (8, 157066), (13, 96656), (14, 89752), (16, 78533), (26, 48328), (28, 44876), (52, 24164), (56, 22438), (91, 13808), (104, 12082), (112, 11219), (182, 6904), (208, 6041), (364, 3452), (728, 1726), (863, 1456)]