281548696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:545

約数の個数: 128

約数和(自身を含む): 679311360

約数和(自身を除く): 397762664

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 31, 34, 44, 52, 62, 68, 88, 104, 124, 136, 143, 187, 221, 248, 286, 341, 374, 403, 442, 467, 527, 572, 682, 748, 806, 884, 934, 1054, 1144, 1364, 1496, 1612, 1768, 1868, 2108, 2431, 2728, 3224, 3736, 4216, 4433, 4862, 5137, 5797, 6071, 6851, 7939, 8866, 9724, 10274, 11594, 12142, 13702, 14477, 15878, 17732, 19448, 20548, 23188, 24284, 27404, 28954, 31756, 35464, 41096, 46376, 48568, 54808, 57908, 63512, 66781, 75361, 87329, 103207, 115816, 133562, 150722, 159247, 174658, 188201, 206414, 246109, 267124, 301444, 318494, 349316, 376402, 412828, 492218, 534248, 602888, 636988, 698632, 752804, 825656, 984436, 1135277, 1273976, 1505608, 1968872, 2070211, 2270554, 2707199, 3199417, 4140422, 4541108, 5414398, 6398834, 8280844, 9082216, 10828796, 12797668, 16561688, 21657592, 25595336, 35193587, 70387174, 140774348, 281548696]

約数ペア:

[(1, 281548696), (2, 140774348), (4, 70387174), (8, 35193587), (11, 25595336), (13, 21657592), (17, 16561688), (22, 12797668), (26, 10828796), (31, 9082216), (34, 8280844), (44, 6398834), (52, 5414398), (62, 4541108), (68, 4140422), (88, 3199417), (104, 2707199), (124, 2270554), (136, 2070211), (143, 1968872), (187, 1505608), (221, 1273976), (248, 1135277), (286, 984436), (341, 825656), (374, 752804), (403, 698632), (442, 636988), (467, 602888), (527, 534248), (572, 492218), (682, 412828), (748, 376402), (806, 349316), (884, 318494), (934, 301444), (1054, 267124), (1144, 246109), (1364, 206414), (1496, 188201), (1612, 174658), (1768, 159247), (1868, 150722), (2108, 133562), (2431, 115816), (2728, 103207), (3224, 87329), (3736, 75361), (4216, 66781), (4433, 63512), (4862, 57908), (5137, 54808), (5797, 48568), (6071, 46376), (6851, 41096), (7939, 35464), (8866, 31756), (9724, 28954), (10274, 27404), (11594, 24284), (12142, 23188), (13702, 20548), (14477, 19448), (15878, 17732)]