80816484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137443}}^1$

素因数の和:137464

約数の個数: 36

約数和(自身を含む): 219360624

約数和(自身を除く): 138544140

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 137443, 274886, 412329, 549772, 824658, 962101, 1649316, 1924202, 2886303, 3848404, 5772606, 6734707, 11545212, 13469414, 20204121, 26938828, 40408242, 80816484]

約数ペア:

[(1, 80816484), (2, 40408242), (3, 26938828), (4, 20204121), (6, 13469414), (7, 11545212), (12, 6734707), (14, 5772606), (21, 3848404), (28, 2886303), (42, 1924202), (49, 1649316), (84, 962101), (98, 824658), (147, 549772), (196, 412329), (294, 274886), (588, 137443)]