81200638

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 130572000

約数和(自身を除く): 49371362

約数列:

[1, 2, 29, 58, 59, 61, 118, 122, 389, 778, 1711, 1769, 3422, 3538, 3599, 7198, 11281, 22562, 22951, 23729, 45902, 47458, 104371, 208742, 665579, 688141, 1331158, 1376282, 1400011, 2800022, 40600319, 81200638]

約数ペア:

[(1, 81200638), (2, 40600319), (29, 2800022), (58, 1400011), (59, 1376282), (61, 1331158), (118, 688141), (122, 665579), (389, 208742), (778, 104371), (1711, 47458), (1769, 45902), (3422, 23729), (3538, 22951), (3599, 22562), (7198, 11281)]