81905096

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112507}}^1$

素因数の和:112533

約数の個数: 32

約数和(自身を含む): 189013440

約数和(自身を除く): 107108344

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 112507, 225014, 450028, 787549, 900056, 1462591, 1575098, 2925182, 3150196, 5850364, 6300392, 10238137, 11700728, 20476274, 40952548, 81905096]

約数ペア:

[(1, 81905096), (2, 40952548), (4, 20476274), (7, 11700728), (8, 10238137), (13, 6300392), (14, 5850364), (26, 3150196), (28, 2925182), (52, 1575098), (56, 1462591), (91, 900056), (104, 787549), (182, 450028), (364, 225014), (728, 112507)]