1687942396

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1889}}^1$

素因数の和:2051

約数の個数: 72

約数和(自身を含む): 3547333440

約数和(自身を除く): 1859391044

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 97, 98, 188, 194, 196, 329, 388, 658, 679, 1316, 1358, 1889, 2303, 2716, 3778, 4559, 4606, 4753, 7556, 9118, 9212, 9506, 13223, 18236, 19012, 26446, 31913, 52892, 63826, 88783, 92561, 127652, 177566, 183233, 185122, 223391, 355132, 366466, 370244, 446782, 621481, 732932, 893564, 1242962, 1282631, 2485924, 2565262, 4350367, 5130524, 8611951, 8700734, 8978417, 17223902, 17401468, 17956834, 34447804, 35913668, 60283657, 120567314, 241134628, 421985599, 843971198, 1687942396]

約数ペア:

[(1, 1687942396), (2, 843971198), (4, 421985599), (7, 241134628), (14, 120567314), (28, 60283657), (47, 35913668), (49, 34447804), (94, 17956834), (97, 17401468), (98, 17223902), (188, 8978417), (194, 8700734), (196, 8611951), (329, 5130524), (388, 4350367), (658, 2565262), (679, 2485924), (1316, 1282631), (1358, 1242962), (1889, 893564), (2303, 732932), (2716, 621481), (3778, 446782), (4559, 370244), (4606, 366466), (4753, 355132), (7556, 223391), (9118, 185122), (9212, 183233), (9506, 177566), (13223, 127652), (18236, 92561), (19012, 88783), (26446, 63826), (31913, 52892)]