207120212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{9461}}^1$

素因数の和:9899

約数の個数: 24

約数和(自身を含む): 391310472

約数和(自身を除く): 184190260

約数列:

[1, 2, 4, 13, 26, 52, 421, 842, 1684, 5473, 9461, 10946, 18922, 21892, 37844, 122993, 245986, 491972, 3983081, 7966162, 15932324, 51780053, 103560106, 207120212]

約数ペア:

[(1, 207120212), (2, 103560106), (4, 51780053), (13, 15932324), (26, 7966162), (52, 3983081), (421, 491972), (842, 245986), (1684, 122993), (5473, 37844), (9461, 21892), (10946, 18922)]