81409614

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 192568320

約数和(自身を除く): 111158706

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 239, 286, 397, 429, 478, 717, 794, 858, 1191, 1434, 2382, 2629, 3107, 4367, 5161, 5258, 6214, 7887, 8734, 9321, 10322, 13101, 15483, 15774, 18642, 26202, 30966, 34177, 56771, 68354, 94883, 102531, 113542, 170313, 189766, 205062, 284649, 340626, 569298, 1043713, 1233479, 2087426, 2466958, 3131139, 3700437, 6262278, 7400874, 13568269, 27136538, 40704807, 81409614]

約数ペア:

[(1, 81409614), (2, 40704807), (3, 27136538), (6, 13568269), (11, 7400874), (13, 6262278), (22, 3700437), (26, 3131139), (33, 2466958), (39, 2087426), (66, 1233479), (78, 1043713), (143, 569298), (239, 340626), (286, 284649), (397, 205062), (429, 189766), (478, 170313), (717, 113542), (794, 102531), (858, 94883), (1191, 68354), (1434, 56771), (2382, 34177), (2629, 30966), (3107, 26202), (4367, 18642), (5161, 15774), (5258, 15483), (6214, 13101), (7887, 10322), (8734, 9321)]