42478022

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{769}}^1$

素因数の和:1231

約数の個数: 16

約数和(自身を含む): 64864800

約数和(自身を除く): 22386778

約数列:

[1, 2, 71, 142, 389, 769, 778, 1538, 27619, 54599, 55238, 109198, 299141, 598282, 21239011, 42478022]

約数ペア:

[(1, 42478022), (2, 21239011), (71, 598282), (142, 299141), (389, 109198), (769, 55238), (778, 54599), (1538, 27619)]