217900997470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5347}}^1\times {\mathrm{313477}}^1$

素因数の和:318844

約数の個数: 32

約数和(自身を含む): 422473046688

約数和(自身を除く): 204572049218

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5347, 10694, 26735, 53470, 69511, 139022, 313477, 347555, 626954, 695110, 1567385, 3134770, 4075201, 8150402, 20376005, 40752010, 1676161519, 3352323038, 8380807595, 16761615190, 21790099747, 43580199494, 108950498735, 217900997470]

約数ペア:

[(1, 217900997470), (2, 108950498735), (5, 43580199494), (10, 21790099747), (13, 16761615190), (26, 8380807595), (65, 3352323038), (130, 1676161519), (5347, 40752010), (10694, 20376005), (26735, 8150402), (53470, 4075201), (69511, 3134770), (139022, 1567385), (313477, 695110), (347555, 626954)]