28661472

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{677}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 97387920

約数和(自身を除く): 68726448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 504, 588, 672, 677, 756, 784, 864, 882, 1008, 1176, 1323, 1354, 1512, 1568, 1764, 2016, 2031, 2352, 2646, 2708, 3024, 3528, 4062, 4704, 4739, 5292, 5416, 6048, 6093, 7056, 8124, 9478, 10584, 10832, 12186, 14112, 14217, 16248, 18279, 18956, 21168, 21664, 24372, 28434, 32496, 33173, 36558, 37912, 42336, 42651, 48744, 56868, 64992, 66346, 73116, 75824, 85302, 97488, 99519, 113736, 127953, 132692, 146232, 151648, 170604, 194976, 199038, 227472, 255906, 265384, 292464, 298557, 341208, 398076, 454944, 511812, 530768, 584928, 597114, 682416, 796152, 895671, 1023624, 1061536, 1194228, 1364832, 1592304, 1791342, 2047248, 2388456, 3184608, 3582684, 4094496, 4776912, 7165368, 9553824, 14330736, 28661472]

約数ペア:

[(1, 28661472), (2, 14330736), (3, 9553824), (4, 7165368), (6, 4776912), (7, 4094496), (8, 3582684), (9, 3184608), (12, 2388456), (14, 2047248), (16, 1791342), (18, 1592304), (21, 1364832), (24, 1194228), (27, 1061536), (28, 1023624), (32, 895671), (36, 796152), (42, 682416), (48, 597114), (49, 584928), (54, 530768), (56, 511812), (63, 454944), (72, 398076), (84, 341208), (96, 298557), (98, 292464), (108, 265384), (112, 255906), (126, 227472), (144, 199038), (147, 194976), (168, 170604), (189, 151648), (196, 146232), (216, 132692), (224, 127953), (252, 113736), (288, 99519), (294, 97488), (336, 85302), (378, 75824), (392, 73116), (432, 66346), (441, 64992), (504, 56868), (588, 48744), (672, 42651), (677, 42336), (756, 37912), (784, 36558), (864, 33173), (882, 32496), (1008, 28434), (1176, 24372), (1323, 21664), (1354, 21168), (1512, 18956), (1568, 18279), (1764, 16248), (2016, 14217), (2031, 14112), (2352, 12186), (2646, 10832), (2708, 10584), (3024, 9478), (3528, 8124), (4062, 7056), (4704, 6093), (4739, 6048), (5292, 5416)]