81421328

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{463}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 163977600

約数和(自身を除く): 82556272

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 379, 463, 464, 758, 926, 1516, 1852, 3032, 3704, 6064, 7408, 10991, 13427, 21982, 26854, 43964, 53708, 87928, 107416, 175477, 175856, 214832, 350954, 701908, 1403816, 2807632, 5088833, 10177666, 20355332, 40710664, 81421328]

約数ペア:

[(1, 81421328), (2, 40710664), (4, 20355332), (8, 10177666), (16, 5088833), (29, 2807632), (58, 1403816), (116, 701908), (232, 350954), (379, 214832), (463, 175856), (464, 175477), (758, 107416), (926, 87928), (1516, 53708), (1852, 43964), (3032, 26854), (3704, 21982), (6064, 13427), (7408, 10991)]