40420278

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{14303}}^1$

素因数の和:14468

約数の個数: 24

約数和(自身を含む): 88141248

約数和(自身を除く): 47720970

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 14303, 28606, 42909, 85818, 128727, 257454, 2245571, 4491142, 6736713, 13473426, 20210139, 40420278]

約数ペア:

[(1, 40420278), (2, 20210139), (3, 13473426), (6, 6736713), (9, 4491142), (18, 2245571), (157, 257454), (314, 128727), (471, 85818), (942, 42909), (1413, 28606), (2826, 14303)]