81591628

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{1063}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 147768320

約数和(自身を除く): 66176692

約数列:

[1, 2, 4, 31, 62, 124, 619, 1063, 1238, 2126, 2476, 4252, 19189, 32953, 38378, 65906, 76756, 131812, 657997, 1315994, 2631988, 20397907, 40795814, 81591628]

約数ペア:

[(1, 81591628), (2, 40795814), (4, 20397907), (31, 2631988), (62, 1315994), (124, 657997), (619, 131812), (1063, 76756), (1238, 65906), (2126, 38378), (2476, 32953), (4252, 19189)]