87122990

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1847}}^1$

素因数の和:1996

約数の個数: 32

約数和(自身を含む): 161663040

約数和(自身を除く): 74540050

約数列:

[1, 2, 5, 10, 53, 89, 106, 178, 265, 445, 530, 890, 1847, 3694, 4717, 9235, 9434, 18470, 23585, 47170, 97891, 164383, 195782, 328766, 489455, 821915, 978910, 1643830, 8712299, 17424598, 43561495, 87122990]

約数ペア:

[(1, 87122990), (2, 43561495), (5, 17424598), (10, 8712299), (53, 1643830), (89, 978910), (106, 821915), (178, 489455), (265, 328766), (445, 195782), (530, 164383), (890, 97891), (1847, 47170), (3694, 23585), (4717, 18470), (9235, 9434)]