71388947

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 89740800

約数和(自身を除く): 18351853

約数列:

[1, 7, 19, 37, 89, 133, 163, 259, 623, 703, 1141, 1691, 3097, 3293, 4921, 6031, 11837, 14507, 21679, 23051, 42217, 62567, 101549, 114589, 275633, 437969, 536759, 802123, 1929431, 3757313, 10198421, 71388947]

約数ペア:

[(1, 71388947), (7, 10198421), (19, 3757313), (37, 1929431), (89, 802123), (133, 536759), (163, 437969), (259, 275633), (623, 114589), (703, 101549), (1141, 62567), (1691, 42217), (3097, 23051), (3293, 21679), (4921, 14507), (6031, 11837)]