85271879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 112389120

約数和(自身を除く): 27117241

約数列:

[1, 7, 11, 23, 77, 89, 161, 253, 541, 623, 979, 1771, 2047, 3787, 5951, 6853, 12443, 14329, 22517, 41657, 48149, 87101, 136873, 157619, 337043, 529639, 958111, 1107427, 3707473, 7751989, 12181697, 85271879]

約数ペア:

[(1, 85271879), (7, 12181697), (11, 7751989), (23, 3707473), (77, 1107427), (89, 958111), (161, 529639), (253, 337043), (541, 157619), (623, 136873), (979, 87101), (1771, 48149), (2047, 41657), (3787, 22517), (5951, 14329), (6853, 12443)]