15975856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:973

約数の個数: 40

約数和(自身を含む): 33747840

約数和(自身を除く): 17771984

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 863, 1157, 1424, 1726, 2314, 3452, 4628, 6904, 9256, 11219, 13808, 18512, 22438, 44876, 76807, 89752, 153614, 179504, 307228, 614456, 998491, 1228912, 1996982, 3993964, 7987928, 15975856]

約数ペア:

[(1, 15975856), (2, 7987928), (4, 3993964), (8, 1996982), (13, 1228912), (16, 998491), (26, 614456), (52, 307228), (89, 179504), (104, 153614), (178, 89752), (208, 76807), (356, 44876), (712, 22438), (863, 18512), (1157, 13808), (1424, 11219), (1726, 9256), (2314, 6904), (3452, 4628)]