1581000304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{28901}}^1$

素因数の和:29185

約数の個数: 40

約数和(自身を含む): 3311475552

約数和(自身を除く): 1730475248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 263, 526, 1052, 2104, 3419, 4208, 6838, 13676, 27352, 28901, 54704, 57802, 115604, 231208, 375713, 462416, 751426, 1502852, 3005704, 6011408, 7600963, 15201926, 30403852, 60807704, 98812519, 121615408, 197625038, 395250076, 790500152, 1581000304]

約数ペア:

[(1, 1581000304), (2, 790500152), (4, 395250076), (8, 197625038), (13, 121615408), (16, 98812519), (26, 60807704), (52, 30403852), (104, 15201926), (208, 7600963), (263, 6011408), (526, 3005704), (1052, 1502852), (2104, 751426), (3419, 462416), (4208, 375713), (6838, 231208), (13676, 115604), (27352, 57802), (28901, 54704)]