28807812

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 120

約数和(自身を含む): 84157920

約数和(自身を除く): 55350108

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 59, 66, 81, 99, 108, 118, 132, 137, 162, 177, 198, 236, 274, 297, 324, 354, 396, 411, 531, 548, 594, 649, 708, 822, 891, 1062, 1188, 1233, 1298, 1507, 1593, 1644, 1782, 1947, 2124, 2466, 2596, 3014, 3186, 3564, 3699, 3894, 4521, 4779, 4932, 5841, 6028, 6372, 7398, 7788, 8083, 9042, 9558, 11097, 11682, 13563, 14796, 16166, 17523, 18084, 19116, 22194, 23364, 24249, 27126, 32332, 35046, 40689, 44388, 48498, 52569, 54252, 70092, 72747, 81378, 88913, 96996, 105138, 122067, 145494, 162756, 177826, 210276, 218241, 244134, 266739, 290988, 355652, 436482, 488268, 533478, 654723, 800217, 872964, 1066956, 1309446, 1600434, 2400651, 2618892, 3200868, 4801302, 7201953, 9602604, 14403906, 28807812]

約数ペア:

[(1, 28807812), (2, 14403906), (3, 9602604), (4, 7201953), (6, 4801302), (9, 3200868), (11, 2618892), (12, 2400651), (18, 1600434), (22, 1309446), (27, 1066956), (33, 872964), (36, 800217), (44, 654723), (54, 533478), (59, 488268), (66, 436482), (81, 355652), (99, 290988), (108, 266739), (118, 244134), (132, 218241), (137, 210276), (162, 177826), (177, 162756), (198, 145494), (236, 122067), (274, 105138), (297, 96996), (324, 88913), (354, 81378), (396, 72747), (411, 70092), (531, 54252), (548, 52569), (594, 48498), (649, 44388), (708, 40689), (822, 35046), (891, 32332), (1062, 27126), (1188, 24249), (1233, 23364), (1298, 22194), (1507, 19116), (1593, 18084), (1644, 17523), (1782, 16166), (1947, 14796), (2124, 13563), (2466, 11682), (2596, 11097), (3014, 9558), (3186, 9042), (3564, 8083), (3699, 7788), (3894, 7398), (4521, 6372), (4779, 6028), (4932, 5841)]