81790296

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6857}}^1$

素因数の和:6944

約数の個数: 64

約数和(自身を含む): 237012480

約数和(自身を除く): 155222184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 84, 142, 168, 213, 284, 426, 497, 568, 852, 994, 1491, 1704, 1988, 2982, 3976, 5964, 6857, 11928, 13714, 20571, 27428, 41142, 47999, 54856, 82284, 95998, 143997, 164568, 191996, 287994, 383992, 486847, 575988, 973694, 1151976, 1460541, 1947388, 2921082, 3407929, 3894776, 5842164, 6815858, 10223787, 11684328, 13631716, 20447574, 27263432, 40895148, 81790296]

約数ペア:

[(1, 81790296), (2, 40895148), (3, 27263432), (4, 20447574), (6, 13631716), (7, 11684328), (8, 10223787), (12, 6815858), (14, 5842164), (21, 3894776), (24, 3407929), (28, 2921082), (42, 1947388), (56, 1460541), (71, 1151976), (84, 973694), (142, 575988), (168, 486847), (213, 383992), (284, 287994), (426, 191996), (497, 164568), (568, 143997), (852, 95998), (994, 82284), (1491, 54856), (1704, 47999), (1988, 41142), (2982, 27428), (3976, 20571), (5964, 13714), (6857, 11928)]