2001028145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{521}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 2525644800

約数和(自身を除く): 524616655

約数列:

[1, 5, 31, 71, 155, 349, 355, 521, 1745, 2201, 2605, 10819, 11005, 16151, 24779, 36991, 54095, 80755, 123895, 181829, 184955, 768149, 909145, 1146721, 3840745, 5636699, 5733605, 12909859, 28183495, 64549295, 400205629, 2001028145]

約数ペア:

[(1, 2001028145), (5, 400205629), (31, 64549295), (71, 28183495), (155, 12909859), (349, 5733605), (355, 5636699), (521, 3840745), (1745, 1146721), (2201, 909145), (2605, 768149), (10819, 184955), (11005, 181829), (16151, 123895), (24779, 80755), (36991, 54095)]