7487870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 14636160

約数和(自身を除く): 7148290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 241, 478, 482, 1195, 1205, 2390, 2410, 3107, 3133, 6214, 6266, 15535, 15665, 31070, 31330, 57599, 115198, 287995, 575990, 748787, 1497574, 3743935, 7487870]

約数ペア:

[(1, 7487870), (2, 3743935), (5, 1497574), (10, 748787), (13, 575990), (26, 287995), (65, 115198), (130, 57599), (239, 31330), (241, 31070), (478, 15665), (482, 15535), (1195, 6266), (1205, 6214), (2390, 3133), (2410, 3107)]