221291392

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 522635760

約数和(自身を除く): 301344368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 257, 434, 448, 496, 514, 868, 896, 961, 992, 1028, 1736, 1799, 1922, 1984, 2056, 3472, 3598, 3844, 3968, 4112, 6727, 6944, 7196, 7688, 7967, 8224, 13454, 13888, 14392, 15376, 15934, 16448, 26908, 27776, 28784, 30752, 31868, 32896, 53816, 55769, 57568, 61504, 63736, 107632, 111538, 115136, 123008, 127472, 215264, 223076, 230272, 246977, 254944, 430528, 446152, 493954, 509888, 861056, 892304, 987908, 1019776, 1728839, 1784608, 1975816, 3457678, 3569216, 3951632, 6915356, 7138432, 7903264, 13830712, 15806528, 27661424, 31613056, 55322848, 110645696, 221291392]

約数ペア:

[(1, 221291392), (2, 110645696), (4, 55322848), (7, 31613056), (8, 27661424), (14, 15806528), (16, 13830712), (28, 7903264), (31, 7138432), (32, 6915356), (56, 3951632), (62, 3569216), (64, 3457678), (112, 1975816), (124, 1784608), (128, 1728839), (217, 1019776), (224, 987908), (248, 892304), (257, 861056), (434, 509888), (448, 493954), (496, 446152), (514, 430528), (868, 254944), (896, 246977), (961, 230272), (992, 223076), (1028, 215264), (1736, 127472), (1799, 123008), (1922, 115136), (1984, 111538), (2056, 107632), (3472, 63736), (3598, 61504), (3844, 57568), (3968, 55769), (4112, 53816), (6727, 32896), (6944, 31868), (7196, 30752), (7688, 28784), (7967, 27776), (8224, 26908), (13454, 16448), (13888, 15934), (14392, 15376)]