85961225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 129991680

約数和(自身を除く): 44030455

約数列:

[1, 5, 7, 19, 25, 35, 95, 103, 133, 175, 251, 475, 515, 665, 721, 1255, 1757, 1957, 2575, 3325, 3605, 4769, 6275, 8785, 9785, 13699, 18025, 23845, 25853, 33383, 43925, 48925, 68495, 119225, 129265, 166915, 180971, 342475, 491207, 646325, 834575, 904855, 2456035, 3438449, 4524275, 12280175, 17192245, 85961225]

約数ペア:

[(1, 85961225), (5, 17192245), (7, 12280175), (19, 4524275), (25, 3438449), (35, 2456035), (95, 904855), (103, 834575), (133, 646325), (175, 491207), (251, 342475), (475, 180971), (515, 166915), (665, 129265), (721, 119225), (1255, 68495), (1757, 48925), (1957, 43925), (2575, 33383), (3325, 25853), (3605, 23845), (4769, 18025), (6275, 13699), (8785, 9785)]