72940217

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 91445760

約数和(自身を除く): 18505543

約数列:

[1, 7, 17, 71, 89, 97, 119, 497, 623, 679, 1207, 1513, 1649, 6319, 6887, 8449, 8633, 10591, 11543, 44233, 48209, 60431, 107423, 117079, 146761, 612943, 751961, 819553, 1027327, 4290601, 10420031, 72940217]

約数ペア:

[(1, 72940217), (7, 10420031), (17, 4290601), (71, 1027327), (89, 819553), (97, 751961), (119, 612943), (497, 146761), (623, 117079), (679, 107423), (1207, 60431), (1513, 48209), (1649, 44233), (6319, 11543), (6887, 10591), (8449, 8633)]