28016336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 57600480

約数和(自身を除く): 29584144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 587, 628, 1174, 1256, 2348, 2512, 2983, 4696, 5966, 9392, 11153, 11932, 22306, 23864, 44612, 47728, 89224, 92159, 178448, 184318, 368636, 737272, 1474544, 1751021, 3502042, 7004084, 14008168, 28016336]

約数ペア:

[(1, 28016336), (2, 14008168), (4, 7004084), (8, 3502042), (16, 1751021), (19, 1474544), (38, 737272), (76, 368636), (152, 184318), (157, 178448), (304, 92159), (314, 89224), (587, 47728), (628, 44612), (1174, 23864), (1256, 22306), (2348, 11932), (2512, 11153), (2983, 9392), (4696, 5966)]