1901182465

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{219917}}^1$

素因数の和:219961

約数の個数: 32

約数和(自身を含む): 2955697920

約数和(自身を除く): 1054515455

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 219917, 1099585, 1539419, 2858921, 4178423, 7697095, 14294605, 20012447, 20892115, 29248961, 54319499, 100062235, 146244805, 271597495, 380236493, 1901182465]

約数ペア:

[(1, 1901182465), (5, 380236493), (7, 271597495), (13, 146244805), (19, 100062235), (35, 54319499), (65, 29248961), (91, 20892115), (95, 20012447), (133, 14294605), (247, 7697095), (455, 4178423), (665, 2858921), (1235, 1539419), (1729, 1099585), (8645, 219917)]