397344852

素因数分解:

$2^2\times 3^5\times {\mathrm{421}}^1\times {\mathrm{971}}^1$

素因数の和:1411

約数の個数: 72

約数和(自身を含む): 1045148832

約数和(自身を除く): 647803980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 421, 486, 842, 971, 972, 1263, 1684, 1942, 2526, 2913, 3789, 3884, 5052, 5826, 7578, 8739, 11367, 11652, 15156, 17478, 22734, 26217, 34101, 34956, 45468, 52434, 68202, 78651, 102303, 104868, 136404, 157302, 204606, 235953, 314604, 408791, 409212, 471906, 817582, 943812, 1226373, 1635164, 2452746, 3679119, 4905492, 7358238, 11037357, 14716476, 22074714, 33112071, 44149428, 66224142, 99336213, 132448284, 198672426, 397344852]

約数ペア:

[(1, 397344852), (2, 198672426), (3, 132448284), (4, 99336213), (6, 66224142), (9, 44149428), (12, 33112071), (18, 22074714), (27, 14716476), (36, 11037357), (54, 7358238), (81, 4905492), (108, 3679119), (162, 2452746), (243, 1635164), (324, 1226373), (421, 943812), (486, 817582), (842, 471906), (971, 409212), (972, 408791), (1263, 314604), (1684, 235953), (1942, 204606), (2526, 157302), (2913, 136404), (3789, 104868), (3884, 102303), (5052, 78651), (5826, 68202), (7578, 52434), (8739, 45468), (11367, 34956), (11652, 34101), (15156, 26217), (17478, 22734)]