631671290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{13729}}^1$

素因数の和:13886

約数の個数: 32

約数和(自身を含む): 1174409280

約数和(自身を除く): 542737990

約数列:

[1, 2, 5, 10, 43, 86, 107, 214, 215, 430, 535, 1070, 4601, 9202, 13729, 23005, 27458, 46010, 68645, 137290, 590347, 1180694, 1469003, 2938006, 2951735, 5903470, 7345015, 14690030, 63167129, 126334258, 315835645, 631671290]

約数ペア:

[(1, 631671290), (2, 315835645), (5, 126334258), (10, 63167129), (43, 14690030), (86, 7345015), (107, 5903470), (214, 2951735), (215, 2938006), (430, 1469003), (535, 1180694), (1070, 590347), (4601, 137290), (9202, 68645), (13729, 46010), (23005, 27458)]