15781168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4463}}^1$

素因数の和:4501

約数の個数: 40

約数和(自身を含む): 34872768

約数和(自身を除く): 19091600

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 4463, 8926, 17852, 35704, 58019, 71408, 75871, 116038, 151742, 232076, 303484, 464152, 606968, 928304, 986323, 1213936, 1972646, 3945292, 7890584, 15781168]

約数ペア:

[(1, 15781168), (2, 7890584), (4, 3945292), (8, 1972646), (13, 1213936), (16, 986323), (17, 928304), (26, 606968), (34, 464152), (52, 303484), (68, 232076), (104, 151742), (136, 116038), (208, 75871), (221, 71408), (272, 58019), (442, 35704), (884, 17852), (1768, 8926), (3536, 4463)]