72724505

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 105850368

約数和(自身を除く): 33125863

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 427, 805, 1403, 1481, 2135, 7015, 7405, 9821, 10367, 34063, 49105, 51835, 90341, 170315, 238441, 451705, 632387, 1192205, 2077843, 3161935, 10389215, 14544901, 72724505]

約数ペア:

[(1, 72724505), (5, 14544901), (7, 10389215), (23, 3161935), (35, 2077843), (61, 1192205), (115, 632387), (161, 451705), (305, 238441), (427, 170315), (805, 90341), (1403, 51835), (1481, 49105), (2135, 34063), (7015, 10367), (7405, 9821)]