1991633727290

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9397}}^1\times {\mathrm{268283}}^1$

素因数の和:277766

約数の個数: 32

約数和(自身を含む): 3630719566080

約数和(自身を除く): 1639085838790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 9397, 18794, 46985, 93970, 268283, 536566, 742363, 1341415, 1484726, 2682830, 3711815, 7423630, 21194357, 42388714, 105971785, 211943570, 2521055351, 5042110702, 12605276755, 25210553510, 199163372729, 398326745458, 995816863645, 1991633727290]

約数ペア:

[(1, 1991633727290), (2, 995816863645), (5, 398326745458), (10, 199163372729), (79, 25210553510), (158, 12605276755), (395, 5042110702), (790, 2521055351), (9397, 211943570), (18794, 105971785), (46985, 42388714), (93970, 21194357), (268283, 7423630), (536566, 3711815), (742363, 2682830), (1341415, 1484726)]