127770530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 238146048

約数和(自身を除く): 110375518

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 641, 643, 1282, 1286, 3205, 3215, 6410, 6430, 19871, 19933, 39742, 39866, 99355, 99665, 198710, 199330, 412163, 824326, 2060815, 4121630, 12777053, 25554106, 63885265, 127770530]

約数ペア:

[(1, 127770530), (2, 63885265), (5, 25554106), (10, 12777053), (31, 4121630), (62, 2060815), (155, 824326), (310, 412163), (641, 199330), (643, 198710), (1282, 99665), (1286, 99355), (3205, 39866), (3215, 39742), (6410, 19933), (6430, 19871)]