13378768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 28185696

約数和(自身を除く): 14806928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 491, 524, 982, 1048, 1703, 1964, 2096, 3406, 3928, 6383, 6812, 7856, 12766, 13624, 25532, 27248, 51064, 64321, 102128, 128642, 257284, 514568, 836173, 1029136, 1672346, 3344692, 6689384, 13378768]

約数ペア:

[(1, 13378768), (2, 6689384), (4, 3344692), (8, 1672346), (13, 1029136), (16, 836173), (26, 514568), (52, 257284), (104, 128642), (131, 102128), (208, 64321), (262, 51064), (491, 27248), (524, 25532), (982, 13624), (1048, 12766), (1703, 7856), (1964, 6812), (2096, 6383), (3406, 3928)]