77820316

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 163699200

約数和(自身を除く): 85878884

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 149, 161, 298, 322, 596, 644, 811, 1043, 1622, 2086, 3244, 3427, 4172, 5677, 6854, 11354, 13708, 18653, 22708, 23989, 37306, 47978, 74612, 95956, 120839, 130571, 241678, 261142, 483356, 522284, 845873, 1691746, 2779297, 3383492, 5558594, 11117188, 19455079, 38910158, 77820316]

約数ペア:

[(1, 77820316), (2, 38910158), (4, 19455079), (7, 11117188), (14, 5558594), (23, 3383492), (28, 2779297), (46, 1691746), (92, 845873), (149, 522284), (161, 483356), (298, 261142), (322, 241678), (596, 130571), (644, 120839), (811, 95956), (1043, 74612), (1622, 47978), (2086, 37306), (3244, 23989), (3427, 22708), (4172, 18653), (5677, 13708), (6854, 11354)]