31031312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{773}}^1$

素因数の和:987

約数の個数: 40

約数和(自身を含む): 65167704

約数和(自身を除く): 34136392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 386, 772, 773, 1544, 1546, 2509, 3088, 3092, 5018, 6184, 10036, 10049, 12368, 20072, 20098, 40144, 40196, 80392, 149189, 160784, 298378, 596756, 1193512, 1939457, 2387024, 3878914, 7757828, 15515656, 31031312]

約数ペア:

[(1, 31031312), (2, 15515656), (4, 7757828), (8, 3878914), (13, 2387024), (16, 1939457), (26, 1193512), (52, 596756), (104, 298378), (193, 160784), (208, 149189), (386, 80392), (772, 40196), (773, 40144), (1544, 20098), (1546, 20072), (2509, 12368), (3088, 10049), (3092, 10036), (5018, 6184)]