31121490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4133}}^1$

素因数の和:4394

約数の個数: 32

約数和(自身を含む): 75007296

約数和(自身を除く): 43885806

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 251, 502, 753, 1255, 1506, 2510, 3765, 4133, 7530, 8266, 12399, 20665, 24798, 41330, 61995, 123990, 1037383, 2074766, 3112149, 5186915, 6224298, 10373830, 15560745, 31121490]

約数ペア:

[(1, 31121490), (2, 15560745), (3, 10373830), (5, 6224298), (6, 5186915), (10, 3112149), (15, 2074766), (30, 1037383), (251, 123990), (502, 61995), (753, 41330), (1255, 24798), (1506, 20665), (2510, 12399), (3765, 8266), (4133, 7530)]