1626790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 3338496

約数和(自身を除く): 1711706

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 643, 1265, 1286, 2530, 3215, 6430, 7073, 14146, 14789, 29578, 35365, 70730, 73945, 147890, 162679, 325358, 813395, 1626790]

約数ペア:

[(1, 1626790), (2, 813395), (5, 325358), (10, 162679), (11, 147890), (22, 73945), (23, 70730), (46, 35365), (55, 29578), (110, 14789), (115, 14146), (230, 7073), (253, 6430), (506, 3215), (643, 2530), (1265, 1286)]