12561328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:613

約数の個数: 40

約数和(自身を含む): 26467056

約数和(自身を除く): 13905728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 461, 524, 922, 1048, 1703, 1844, 2096, 3406, 3688, 5993, 6812, 7376, 11986, 13624, 23972, 27248, 47944, 60391, 95888, 120782, 241564, 483128, 785083, 966256, 1570166, 3140332, 6280664, 12561328]

約数ペア:

[(1, 12561328), (2, 6280664), (4, 3140332), (8, 1570166), (13, 966256), (16, 785083), (26, 483128), (52, 241564), (104, 120782), (131, 95888), (208, 60391), (262, 47944), (461, 27248), (524, 23972), (922, 13624), (1048, 11986), (1703, 7376), (1844, 6812), (2096, 5993), (3406, 3688)]