289907892

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1367}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 755891136

約数和(自身を除く): 465983244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 137, 172, 258, 274, 387, 411, 516, 548, 774, 822, 1233, 1367, 1548, 1644, 2466, 2734, 4101, 4932, 5468, 5891, 8202, 11782, 12303, 16404, 17673, 23564, 24606, 35346, 49212, 53019, 58781, 70692, 106038, 117562, 176343, 187279, 212076, 235124, 352686, 374558, 529029, 561837, 705372, 749116, 1058058, 1123674, 1685511, 2116116, 2247348, 3371022, 6742044, 8052997, 16105994, 24158991, 32211988, 48317982, 72476973, 96635964, 144953946, 289907892]

約数ペア:

[(1, 289907892), (2, 144953946), (3, 96635964), (4, 72476973), (6, 48317982), (9, 32211988), (12, 24158991), (18, 16105994), (36, 8052997), (43, 6742044), (86, 3371022), (129, 2247348), (137, 2116116), (172, 1685511), (258, 1123674), (274, 1058058), (387, 749116), (411, 705372), (516, 561837), (548, 529029), (774, 374558), (822, 352686), (1233, 235124), (1367, 212076), (1548, 187279), (1644, 176343), (2466, 117562), (2734, 106038), (4101, 70692), (4932, 58781), (5468, 53019), (5891, 49212), (8202, 35346), (11782, 24606), (12303, 23564), (16404, 17673)]