11947312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:901

約数の個数: 40

約数和(自身を含む): 25310880

約数和(自身を除く): 13363568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 809, 923, 1136, 1618, 1846, 3236, 3692, 6472, 7384, 10517, 12944, 14768, 21034, 42068, 57439, 84136, 114878, 168272, 229756, 459512, 746707, 919024, 1493414, 2986828, 5973656, 11947312]

約数ペア:

[(1, 11947312), (2, 5973656), (4, 2986828), (8, 1493414), (13, 919024), (16, 746707), (26, 459512), (52, 229756), (71, 168272), (104, 114878), (142, 84136), (208, 57439), (284, 42068), (568, 21034), (809, 14768), (923, 12944), (1136, 10517), (1618, 7384), (1846, 6472), (3236, 3692)]