15531568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:949

約数の個数: 40

約数和(自身を含む): 32810400

約数和(自身を除く): 17278832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 839, 1157, 1424, 1678, 2314, 3356, 4628, 6712, 9256, 10907, 13424, 18512, 21814, 43628, 74671, 87256, 149342, 174512, 298684, 597368, 970723, 1194736, 1941446, 3882892, 7765784, 15531568]

約数ペア:

[(1, 15531568), (2, 7765784), (4, 3882892), (8, 1941446), (13, 1194736), (16, 970723), (26, 597368), (52, 298684), (89, 174512), (104, 149342), (178, 87256), (208, 74671), (356, 43628), (712, 21814), (839, 18512), (1157, 13424), (1424, 10907), (1678, 9256), (2314, 6712), (3356, 4628)]