399331368

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{128983}}^1$

素因数の和:129038

約数の個数: 48

約数和(自身を含む): 1106682720

約数和(自身を除く): 707351352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 128983, 257966, 386949, 515932, 773898, 1031864, 1160847, 1547796, 2321694, 3095592, 4643388, 5546269, 9286776, 11092538, 16638807, 22185076, 33277614, 44370152, 49916421, 66555228, 99832842, 133110456, 199665684, 399331368]

約数ペア:

[(1, 399331368), (2, 199665684), (3, 133110456), (4, 99832842), (6, 66555228), (8, 49916421), (9, 44370152), (12, 33277614), (18, 22185076), (24, 16638807), (36, 11092538), (43, 9286776), (72, 5546269), (86, 4643388), (129, 3095592), (172, 2321694), (258, 1547796), (344, 1160847), (387, 1031864), (516, 773898), (774, 515932), (1032, 386949), (1548, 257966), (3096, 128983)]