78731898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 189388800

約数和(自身を除く): 110656902

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 149, 161, 298, 322, 447, 483, 547, 894, 966, 1043, 1094, 1641, 2086, 3129, 3282, 3427, 3829, 6258, 6854, 7658, 10281, 11487, 12581, 20562, 22974, 23989, 25162, 37743, 47978, 71967, 75486, 81503, 88067, 143934, 163006, 176134, 244509, 264201, 489018, 528402, 570521, 1141042, 1711563, 1874569, 3423126, 3749138, 5623707, 11247414, 13121983, 26243966, 39365949, 78731898]

約数ペア:

[(1, 78731898), (2, 39365949), (3, 26243966), (6, 13121983), (7, 11247414), (14, 5623707), (21, 3749138), (23, 3423126), (42, 1874569), (46, 1711563), (69, 1141042), (138, 570521), (149, 528402), (161, 489018), (298, 264201), (322, 244509), (447, 176134), (483, 163006), (547, 143934), (894, 88067), (966, 81503), (1043, 75486), (1094, 71967), (1641, 47978), (2086, 37743), (3129, 25162), (3282, 23989), (3427, 22974), (3829, 20562), (6258, 12581), (6854, 11487), (7658, 10281)]