378956248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 846398160

約数和(自身を除く): 467441912

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 43, 44, 68, 86, 88, 136, 137, 172, 187, 274, 344, 374, 473, 548, 731, 748, 946, 1096, 1462, 1496, 1507, 1849, 1892, 2329, 2924, 3014, 3698, 3784, 4658, 5848, 5891, 6028, 7396, 8041, 9316, 11782, 12056, 14792, 16082, 18632, 20339, 23564, 25619, 31433, 32164, 40678, 47128, 51238, 62866, 64328, 64801, 81356, 100147, 102476, 125732, 129602, 162712, 200294, 204952, 251464, 253313, 259204, 345763, 400588, 506626, 518408, 691526, 801176, 1013252, 1101617, 1383052, 2026504, 2203234, 2766104, 2786443, 4306321, 4406468, 5572886, 8612642, 8812936, 11145772, 17225284, 22291544, 34450568, 47369531, 94739062, 189478124, 378956248]

約数ペア:

[(1, 378956248), (2, 189478124), (4, 94739062), (8, 47369531), (11, 34450568), (17, 22291544), (22, 17225284), (34, 11145772), (43, 8812936), (44, 8612642), (68, 5572886), (86, 4406468), (88, 4306321), (136, 2786443), (137, 2766104), (172, 2203234), (187, 2026504), (274, 1383052), (344, 1101617), (374, 1013252), (473, 801176), (548, 691526), (731, 518408), (748, 506626), (946, 400588), (1096, 345763), (1462, 259204), (1496, 253313), (1507, 251464), (1849, 204952), (1892, 200294), (2329, 162712), (2924, 129602), (3014, 125732), (3698, 102476), (3784, 100147), (4658, 81356), (5848, 64801), (5891, 64328), (6028, 62866), (7396, 51238), (8041, 47128), (9316, 40678), (11782, 32164), (12056, 31433), (14792, 25619), (16082, 23564), (18632, 20339)]