81431157184

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{34843}}^1$

素因数の和:34974

約数の個数: 84

約数和(自身を含む): 177370385416

約数和(自身を除く): 95939228232

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 208, 212, 416, 424, 689, 832, 848, 1378, 1696, 2756, 2809, 3392, 5512, 5618, 11024, 11236, 22048, 22472, 34843, 36517, 44096, 44944, 69686, 73034, 89888, 139372, 146068, 179776, 278744, 292136, 452959, 557488, 584272, 905918, 1114976, 1168544, 1811836, 1846679, 2229952, 2337088, 3623672, 3693358, 7247344, 7386716, 14494688, 14773432, 24006827, 28989376, 29546864, 48013654, 59093728, 96027308, 97873987, 118187456, 192054616, 195747974, 384109232, 391495948, 768218464, 782991896, 1272361831, 1536436928, 1565983792, 2544723662, 3131967584, 5089447324, 6263935168, 10178894648, 20357789296, 40715578592, 81431157184]

約数ペア:

[(1, 81431157184), (2, 40715578592), (4, 20357789296), (8, 10178894648), (13, 6263935168), (16, 5089447324), (26, 3131967584), (32, 2544723662), (52, 1565983792), (53, 1536436928), (64, 1272361831), (104, 782991896), (106, 768218464), (208, 391495948), (212, 384109232), (416, 195747974), (424, 192054616), (689, 118187456), (832, 97873987), (848, 96027308), (1378, 59093728), (1696, 48013654), (2756, 29546864), (2809, 28989376), (3392, 24006827), (5512, 14773432), (5618, 14494688), (11024, 7386716), (11236, 7247344), (22048, 3693358), (22472, 3623672), (34843, 2337088), (36517, 2229952), (44096, 1846679), (44944, 1811836), (69686, 1168544), (73034, 1114976), (89888, 905918), (139372, 584272), (146068, 557488), (179776, 452959), (278744, 292136)]