78164812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 153216000

約数和(自身を除く): 75051188

約数列:

[1, 2, 4, 11, 22, 44, 79, 113, 158, 199, 226, 316, 398, 452, 796, 869, 1243, 1738, 2189, 2486, 3476, 4378, 4972, 8756, 8927, 15721, 17854, 22487, 31442, 35708, 44974, 62884, 89948, 98197, 172931, 196394, 247357, 345862, 392788, 494714, 691724, 989428, 1776473, 3552946, 7105892, 19541203, 39082406, 78164812]

約数ペア:

[(1, 78164812), (2, 39082406), (4, 19541203), (11, 7105892), (22, 3552946), (44, 1776473), (79, 989428), (113, 691724), (158, 494714), (199, 392788), (226, 345862), (316, 247357), (398, 196394), (452, 172931), (796, 98197), (869, 89948), (1243, 62884), (1738, 44974), (2189, 35708), (2486, 31442), (3476, 22487), (4378, 17854), (4972, 15721), (8756, 8927)]