181266176

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 461518848

約数和(自身を除く): 280252672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 251, 256, 364, 403, 416, 434, 448, 496, 502, 728, 806, 832, 868, 896, 992, 1004, 1456, 1612, 1664, 1736, 1757, 1792, 1984, 2008, 2821, 2912, 3224, 3263, 3328, 3472, 3514, 3968, 4016, 5642, 5824, 6448, 6526, 6944, 7028, 7781, 7936, 8032, 11284, 11648, 12896, 13052, 13888, 14056, 15562, 16064, 22568, 22841, 23296, 25792, 26104, 27776, 28112, 31124, 32128, 45136, 45682, 51584, 52208, 54467, 55552, 56224, 62248, 64256, 90272, 91364, 101153, 103168, 104416, 108934, 112448, 124496, 180544, 182728, 202306, 208832, 217868, 224896, 248992, 361088, 365456, 404612, 417664, 435736, 449792, 497984, 708071, 722176, 730912, 809224, 835328, 871472, 995968, 1416142, 1461824, 1618448, 1742944, 1991936, 2832284, 2923648, 3236896, 3485888, 5664568, 5847296, 6473792, 6971776, 11329136, 12947584, 13943552, 22658272, 25895168, 45316544, 90633088, 181266176]

約数ペア:

[(1, 181266176), (2, 90633088), (4, 45316544), (7, 25895168), (8, 22658272), (13, 13943552), (14, 12947584), (16, 11329136), (26, 6971776), (28, 6473792), (31, 5847296), (32, 5664568), (52, 3485888), (56, 3236896), (62, 2923648), (64, 2832284), (91, 1991936), (104, 1742944), (112, 1618448), (124, 1461824), (128, 1416142), (182, 995968), (208, 871472), (217, 835328), (224, 809224), (248, 730912), (251, 722176), (256, 708071), (364, 497984), (403, 449792), (416, 435736), (434, 417664), (448, 404612), (496, 365456), (502, 361088), (728, 248992), (806, 224896), (832, 217868), (868, 208832), (896, 202306), (992, 182728), (1004, 180544), (1456, 124496), (1612, 112448), (1664, 108934), (1736, 104416), (1757, 103168), (1792, 101153), (1984, 91364), (2008, 90272), (2821, 64256), (2912, 62248), (3224, 56224), (3263, 55552), (3328, 54467), (3472, 52208), (3514, 51584), (3968, 45682), (4016, 45136), (5642, 32128), (5824, 31124), (6448, 28112), (6526, 27776), (6944, 26104), (7028, 25792), (7781, 23296), (7936, 22841), (8032, 22568), (11284, 16064), (11648, 15562), (12896, 14056), (13052, 13888)]