86778916

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 91032284

約数列:

[1, 2, 4, 7, 14, 28, 89, 97, 178, 194, 356, 359, 388, 623, 679, 718, 1246, 1358, 1436, 2492, 2513, 2716, 5026, 8633, 10052, 17266, 31951, 34532, 34823, 60431, 63902, 69646, 120862, 127804, 139292, 223657, 241724, 243761, 447314, 487522, 894628, 975044, 3099247, 6198494, 12396988, 21694729, 43389458, 86778916]

約数ペア:

[(1, 86778916), (2, 43389458), (4, 21694729), (7, 12396988), (14, 6198494), (28, 3099247), (89, 975044), (97, 894628), (178, 487522), (194, 447314), (356, 243761), (359, 241724), (388, 223657), (623, 139292), (679, 127804), (718, 120862), (1246, 69646), (1358, 63902), (1436, 60431), (2492, 34823), (2513, 34532), (2716, 31951), (5026, 17266), (8633, 10052)]