28747278

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1366

約数の個数: 64

約数和(自身を含む): 74304000

約数和(自身を除く): 45556722

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 59, 63, 118, 126, 177, 189, 354, 378, 413, 531, 826, 1062, 1239, 1289, 1593, 2478, 2578, 3186, 3717, 3867, 7434, 7734, 9023, 11151, 11601, 18046, 22302, 23202, 27069, 34803, 54138, 69606, 76051, 81207, 152102, 162414, 228153, 243621, 456306, 487242, 532357, 684459, 1064714, 1368918, 1597071, 2053377, 3194142, 4106754, 4791213, 9582426, 14373639, 28747278]

約数ペア:

[(1, 28747278), (2, 14373639), (3, 9582426), (6, 4791213), (7, 4106754), (9, 3194142), (14, 2053377), (18, 1597071), (21, 1368918), (27, 1064714), (42, 684459), (54, 532357), (59, 487242), (63, 456306), (118, 243621), (126, 228153), (177, 162414), (189, 152102), (354, 81207), (378, 76051), (413, 69606), (531, 54138), (826, 34803), (1062, 27069), (1239, 23202), (1289, 22302), (1593, 18046), (2478, 11601), (2578, 11151), (3186, 9023), (3717, 7734), (3867, 7434)]