215682313

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 276369408

約数和(自身を除く): 60687095

約数列:

[1, 7, 11, 67, 77, 97, 431, 469, 679, 737, 1067, 3017, 4741, 5159, 6499, 7469, 28877, 33187, 41807, 45493, 71489, 202139, 292649, 317647, 459877, 500423, 2223529, 2801069, 3219139, 19607483, 30811759, 215682313]

約数ペア:

[(1, 215682313), (7, 30811759), (11, 19607483), (67, 3219139), (77, 2801069), (97, 2223529), (431, 500423), (469, 459877), (679, 317647), (737, 292649), (1067, 202139), (3017, 71489), (4741, 45493), (5159, 41807), (6499, 33187), (7469, 28877)]