31680016

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2777}}^1$

素因数の和:2839

約数の個数: 40

約数和(自身を含む): 66138624

約数和(自身を除く): 34458608

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 2777, 2852, 5554, 5704, 11108, 11408, 22216, 44432, 63871, 86087, 127742, 172174, 255484, 344348, 510968, 688696, 1021936, 1377392, 1980001, 3960002, 7920004, 15840008, 31680016]

約数ペア:

[(1, 31680016), (2, 15840008), (4, 7920004), (8, 3960002), (16, 1980001), (23, 1377392), (31, 1021936), (46, 688696), (62, 510968), (92, 344348), (124, 255484), (184, 172174), (248, 127742), (368, 86087), (496, 63871), (713, 44432), (1426, 22216), (2777, 11408), (2852, 11108), (5554, 5704)]