28368210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72739}}^1$

素因数の和:72762

約数の個数: 32

約数和(自身を含む): 73321920

約数和(自身を除く): 44953710

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72739, 145478, 218217, 363695, 436434, 727390, 945607, 1091085, 1891214, 2182170, 2836821, 4728035, 5673642, 9456070, 14184105, 28368210]

約数ペア:

[(1, 28368210), (2, 14184105), (3, 9456070), (5, 5673642), (6, 4728035), (10, 2836821), (13, 2182170), (15, 1891214), (26, 1091085), (30, 945607), (39, 727390), (65, 436434), (78, 363695), (130, 218217), (195, 145478), (390, 72739)]