997230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2580

約数の個数: 32

約数和(自身を含む): 2578464

約数和(自身を除く): 1581234

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 2557, 5114, 7671, 12785, 15342, 25570, 33241, 38355, 66482, 76710, 99723, 166205, 199446, 332410, 498615, 997230]

約数ペア:

[(1, 997230), (2, 498615), (3, 332410), (5, 199446), (6, 166205), (10, 99723), (13, 76710), (15, 66482), (26, 38355), (30, 33241), (39, 25570), (65, 15342), (78, 12785), (130, 7671), (195, 5114), (390, 2557)]