1399216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:90

約数の個数: 60

約数和(自身を含む): 3447696

約数和(自身を除く): 2048480

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 961, 1456, 1612, 1736, 1922, 2821, 3224, 3472, 3844, 5642, 6448, 6727, 7688, 11284, 12493, 13454, 15376, 22568, 24986, 26908, 45136, 49972, 53816, 87451, 99944, 107632, 174902, 199888, 349804, 699608, 1399216]

約数ペア:

[(1, 1399216), (2, 699608), (4, 349804), (7, 199888), (8, 174902), (13, 107632), (14, 99944), (16, 87451), (26, 53816), (28, 49972), (31, 45136), (52, 26908), (56, 24986), (62, 22568), (91, 15376), (104, 13454), (112, 12493), (124, 11284), (182, 7688), (208, 6727), (217, 6448), (248, 5642), (364, 3844), (403, 3472), (434, 3224), (496, 2821), (728, 1922), (806, 1736), (868, 1612), (961, 1456)]