397818408

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:427

約数の個数: 128

約数和(自身を含む): 1110049920

約数和(自身を除く): 712231512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 137, 156, 164, 227, 246, 274, 312, 328, 411, 454, 492, 533, 548, 681, 822, 908, 984, 1066, 1096, 1362, 1599, 1644, 1781, 1816, 2132, 2724, 2951, 3198, 3288, 3562, 4264, 5343, 5448, 5617, 5902, 6396, 7124, 8853, 9307, 10686, 11234, 11804, 12792, 14248, 16851, 17706, 18614, 21372, 22468, 23608, 27921, 31099, 33702, 35412, 37228, 42744, 44936, 55842, 62198, 67404, 70824, 73021, 74456, 93297, 111684, 120991, 124396, 134808, 146042, 186594, 219063, 223368, 241982, 248792, 292084, 362973, 373188, 404287, 438126, 483964, 584168, 725946, 746376, 808574, 876252, 967928, 1212861, 1275059, 1451892, 1617148, 1752504, 2425722, 2550118, 2903784, 3234296, 3825177, 4851444, 5100236, 7650354, 9702888, 10200472, 15300708, 16575767, 30601416, 33151534, 49727301, 66303068, 99454602, 132606136, 198909204, 397818408]

約数ペア:

[(1, 397818408), (2, 198909204), (3, 132606136), (4, 99454602), (6, 66303068), (8, 49727301), (12, 33151534), (13, 30601416), (24, 16575767), (26, 15300708), (39, 10200472), (41, 9702888), (52, 7650354), (78, 5100236), (82, 4851444), (104, 3825177), (123, 3234296), (137, 2903784), (156, 2550118), (164, 2425722), (227, 1752504), (246, 1617148), (274, 1451892), (312, 1275059), (328, 1212861), (411, 967928), (454, 876252), (492, 808574), (533, 746376), (548, 725946), (681, 584168), (822, 483964), (908, 438126), (984, 404287), (1066, 373188), (1096, 362973), (1362, 292084), (1599, 248792), (1644, 241982), (1781, 223368), (1816, 219063), (2132, 186594), (2724, 146042), (2951, 134808), (3198, 124396), (3288, 120991), (3562, 111684), (4264, 93297), (5343, 74456), (5448, 73021), (5617, 70824), (5902, 67404), (6396, 62198), (7124, 55842), (8853, 44936), (9307, 42744), (10686, 37228), (11234, 35412), (11804, 33702), (12792, 31099), (14248, 27921), (16851, 23608), (17706, 22468), (18614, 21372)]