128959168

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{11923}}^1$

素因数の和:11961

約数の個数: 42

約数和(自身を含む): 277125684

約数和(自身を除く): 148166516

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 10816, 11923, 23846, 47692, 95384, 154999, 190768, 309998, 381536, 619996, 763072, 1239992, 2014987, 2479984, 4029974, 4959968, 8059948, 9919936, 16119896, 32239792, 64479584, 128959168]

約数ペア:

[(1, 128959168), (2, 64479584), (4, 32239792), (8, 16119896), (13, 9919936), (16, 8059948), (26, 4959968), (32, 4029974), (52, 2479984), (64, 2014987), (104, 1239992), (169, 763072), (208, 619996), (338, 381536), (416, 309998), (676, 190768), (832, 154999), (1352, 95384), (2704, 47692), (5408, 23846), (10816, 11923)]