42988390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 79691040

約数和(自身を除く): 36702650

約数列:

[1, 2, 5, 10, 43, 86, 215, 257, 389, 430, 514, 778, 1285, 1945, 2570, 3890, 11051, 16727, 22102, 33454, 55255, 83635, 99973, 110510, 167270, 199946, 499865, 999730, 4298839, 8597678, 21494195, 42988390]

約数ペア:

[(1, 42988390), (2, 21494195), (5, 8597678), (10, 4298839), (43, 999730), (86, 499865), (215, 199946), (257, 167270), (389, 110510), (430, 99973), (514, 83635), (778, 55255), (1285, 33454), (1945, 22102), (2570, 16727), (3890, 11051)]