161689190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{3389}}^1$

素因数の和:3776

約数の個数: 32

約数和(自身を含む): 314375040

約数和(自身を除く): 152685850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 367, 734, 1835, 3389, 3670, 4771, 6778, 9542, 16945, 23855, 33890, 44057, 47710, 88114, 220285, 440570, 1243763, 2487526, 6218815, 12437630, 16168919, 32337838, 80844595, 161689190]

約数ペア:

[(1, 161689190), (2, 80844595), (5, 32337838), (10, 16168919), (13, 12437630), (26, 6218815), (65, 2487526), (130, 1243763), (367, 440570), (734, 220285), (1835, 88114), (3389, 47710), (3670, 44057), (4771, 33890), (6778, 23855), (9542, 16945)]