128857144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{72883}}^1$

素因数の和:72919

約数の個数: 32

約数和(自身を含む): 275501520

約数和(自身を除く): 146644376

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 72883, 145766, 291532, 583064, 947479, 1239011, 1894958, 2478022, 3789916, 4956044, 7579832, 9912088, 16107143, 32214286, 64428572, 128857144]

約数ペア:

[(1, 128857144), (2, 64428572), (4, 32214286), (8, 16107143), (13, 9912088), (17, 7579832), (26, 4956044), (34, 3789916), (52, 2478022), (68, 1894958), (104, 1239011), (136, 947479), (221, 583064), (442, 291532), (884, 145766), (1768, 72883)]