28218722

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 49711104

約数和(自身を除く): 21492382

約数列:

[1, 2, 7, 14, 61, 122, 173, 191, 346, 382, 427, 854, 1211, 1337, 2422, 2674, 10553, 11651, 21106, 23302, 33043, 66086, 73871, 81557, 147742, 163114, 231301, 462602, 2015623, 4031246, 14109361, 28218722]

約数ペア:

[(1, 28218722), (2, 14109361), (7, 4031246), (14, 2015623), (61, 462602), (122, 231301), (173, 163114), (191, 147742), (346, 81557), (382, 73871), (427, 66086), (854, 33043), (1211, 23302), (1337, 21106), (2422, 11651), (2674, 10553)]