218967567

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 384147456

約数和(自身を除く): 165179889

約数列:

[1, 3, 7, 13, 21, 23, 39, 43, 69, 91, 129, 161, 273, 299, 301, 483, 559, 811, 897, 903, 989, 1677, 2093, 2433, 2967, 3913, 5677, 6279, 6923, 10543, 11739, 12857, 17031, 18653, 20769, 31629, 34873, 38571, 55959, 73801, 89999, 104619, 130571, 221403, 242489, 244111, 269997, 391713, 453349, 727467, 732333, 802079, 1360047, 1697423, 2406237, 3173443, 5092269, 5614553, 9520329, 10427027, 16843659, 31281081, 72989189, 218967567]

約数ペア:

[(1, 218967567), (3, 72989189), (7, 31281081), (13, 16843659), (21, 10427027), (23, 9520329), (39, 5614553), (43, 5092269), (69, 3173443), (91, 2406237), (129, 1697423), (161, 1360047), (273, 802079), (299, 732333), (301, 727467), (483, 453349), (559, 391713), (811, 269997), (897, 244111), (903, 242489), (989, 221403), (1677, 130571), (2093, 104619), (2433, 89999), (2967, 73801), (3913, 55959), (5677, 38571), (6279, 34873), (6923, 31629), (10543, 20769), (11739, 18653), (12857, 17031)]