211891992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{919}}^1$

素因数の和:1680

約数の個数: 64

約数和(自身を含む): 571872000

約数和(自身を除く): 359980008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 739, 919, 1478, 1838, 2217, 2757, 2956, 3676, 4434, 5514, 5912, 7352, 8868, 9607, 11028, 11947, 17736, 19214, 22056, 23894, 28821, 35841, 38428, 47788, 57642, 71682, 76856, 95576, 115284, 143364, 230568, 286728, 679141, 1358282, 2037423, 2716564, 4074846, 5433128, 8149692, 8828833, 16299384, 17657666, 26486499, 35315332, 52972998, 70630664, 105945996, 211891992]

約数ペア:

[(1, 211891992), (2, 105945996), (3, 70630664), (4, 52972998), (6, 35315332), (8, 26486499), (12, 17657666), (13, 16299384), (24, 8828833), (26, 8149692), (39, 5433128), (52, 4074846), (78, 2716564), (104, 2037423), (156, 1358282), (312, 679141), (739, 286728), (919, 230568), (1478, 143364), (1838, 115284), (2217, 95576), (2757, 76856), (2956, 71682), (3676, 57642), (4434, 47788), (5514, 38428), (5912, 35841), (7352, 28821), (8868, 23894), (9607, 22056), (11028, 19214), (11947, 17736)]