7621770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19543}}^1$

素因数の和:19566

約数の個数: 32

約数和(自身を含む): 19700352

約数和(自身を除く): 12078582

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19543, 39086, 58629, 97715, 117258, 195430, 254059, 293145, 508118, 586290, 762177, 1270295, 1524354, 2540590, 3810885, 7621770]

約数ペア:

[(1, 7621770), (2, 3810885), (3, 2540590), (5, 1524354), (6, 1270295), (10, 762177), (13, 586290), (15, 508118), (26, 293145), (30, 254059), (39, 195430), (65, 117258), (78, 97715), (130, 58629), (195, 39086), (390, 19543)]