25881856

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 70051968

約数和(自身を除く): 44170112

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 101, 104, 112, 128, 143, 154, 176, 182, 202, 208, 224, 256, 286, 308, 352, 364, 404, 416, 448, 572, 616, 704, 707, 728, 808, 832, 896, 1001, 1111, 1144, 1232, 1313, 1408, 1414, 1456, 1616, 1664, 1792, 2002, 2222, 2288, 2464, 2626, 2816, 2828, 2912, 3232, 3328, 4004, 4444, 4576, 4928, 5252, 5656, 5824, 6464, 7777, 8008, 8888, 9152, 9191, 9856, 10504, 11312, 11648, 12928, 14443, 15554, 16016, 17776, 18304, 18382, 19712, 21008, 22624, 23296, 25856, 28886, 31108, 32032, 35552, 36608, 36764, 42016, 45248, 57772, 62216, 64064, 71104, 73528, 84032, 90496, 101101, 115544, 124432, 128128, 142208, 147056, 168064, 180992, 202202, 231088, 248864, 256256, 284416, 294112, 336128, 404404, 462176, 497728, 588224, 808808, 924352, 995456, 1176448, 1617616, 1848704, 1990912, 2352896, 3235232, 3697408, 6470464, 12940928, 25881856]

約数ペア:

[(1, 25881856), (2, 12940928), (4, 6470464), (7, 3697408), (8, 3235232), (11, 2352896), (13, 1990912), (14, 1848704), (16, 1617616), (22, 1176448), (26, 995456), (28, 924352), (32, 808808), (44, 588224), (52, 497728), (56, 462176), (64, 404404), (77, 336128), (88, 294112), (91, 284416), (101, 256256), (104, 248864), (112, 231088), (128, 202202), (143, 180992), (154, 168064), (176, 147056), (182, 142208), (202, 128128), (208, 124432), (224, 115544), (256, 101101), (286, 90496), (308, 84032), (352, 73528), (364, 71104), (404, 64064), (416, 62216), (448, 57772), (572, 45248), (616, 42016), (704, 36764), (707, 36608), (728, 35552), (808, 32032), (832, 31108), (896, 28886), (1001, 25856), (1111, 23296), (1144, 22624), (1232, 21008), (1313, 19712), (1408, 18382), (1414, 18304), (1456, 17776), (1616, 16016), (1664, 15554), (1792, 14443), (2002, 12928), (2222, 11648), (2288, 11312), (2464, 10504), (2626, 9856), (2816, 9191), (2828, 9152), (2912, 8888), (3232, 8008), (3328, 7777), (4004, 6464), (4444, 5824), (4576, 5656), (4928, 5252)]