84212128

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 225227520

約数和(自身を除く): 141015392

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 121, 143, 154, 176, 182, 208, 224, 239, 242, 286, 308, 352, 364, 416, 478, 484, 572, 616, 728, 847, 956, 968, 1001, 1144, 1232, 1456, 1573, 1673, 1694, 1912, 1936, 2002, 2288, 2464, 2629, 2912, 3107, 3146, 3346, 3388, 3824, 3872, 4004, 4576, 5258, 6214, 6292, 6692, 6776, 7648, 8008, 10516, 11011, 12428, 12584, 13384, 13552, 16016, 18403, 21032, 21749, 22022, 24856, 25168, 26768, 27104, 28919, 32032, 34177, 36806, 42064, 43498, 44044, 49712, 50336, 53536, 57838, 68354, 73612, 84128, 86996, 88088, 99424, 115676, 136708, 147224, 173992, 176176, 202433, 231352, 239239, 273416, 294448, 347984, 352352, 375947, 404866, 462704, 478478, 546832, 588896, 695968, 751894, 809732, 925408, 956956, 1093664, 1503788, 1619464, 1913912, 2631629, 3007576, 3238928, 3827824, 5263258, 6015152, 6477856, 7655648, 10526516, 12030304, 21053032, 42106064, 84212128]

約数ペア:

[(1, 84212128), (2, 42106064), (4, 21053032), (7, 12030304), (8, 10526516), (11, 7655648), (13, 6477856), (14, 6015152), (16, 5263258), (22, 3827824), (26, 3238928), (28, 3007576), (32, 2631629), (44, 1913912), (52, 1619464), (56, 1503788), (77, 1093664), (88, 956956), (91, 925408), (104, 809732), (112, 751894), (121, 695968), (143, 588896), (154, 546832), (176, 478478), (182, 462704), (208, 404866), (224, 375947), (239, 352352), (242, 347984), (286, 294448), (308, 273416), (352, 239239), (364, 231352), (416, 202433), (478, 176176), (484, 173992), (572, 147224), (616, 136708), (728, 115676), (847, 99424), (956, 88088), (968, 86996), (1001, 84128), (1144, 73612), (1232, 68354), (1456, 57838), (1573, 53536), (1673, 50336), (1694, 49712), (1912, 44044), (1936, 43498), (2002, 42064), (2288, 36806), (2464, 34177), (2629, 32032), (2912, 28919), (3107, 27104), (3146, 26768), (3346, 25168), (3388, 24856), (3824, 22022), (3872, 21749), (4004, 21032), (4576, 18403), (5258, 16016), (6214, 13552), (6292, 13384), (6692, 12584), (6776, 12428), (7648, 11011), (8008, 10516)]