28795990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 53625600

約数和(自身を除く): 24829610

約数列:

[1, 2, 5, 10, 37, 74, 185, 223, 349, 370, 446, 698, 1115, 1745, 2230, 3490, 8251, 12913, 16502, 25826, 41255, 64565, 77827, 82510, 129130, 155654, 389135, 778270, 2879599, 5759198, 14397995, 28795990]

約数ペア:

[(1, 28795990), (2, 14397995), (5, 5759198), (10, 2879599), (37, 778270), (74, 389135), (185, 155654), (223, 129130), (349, 82510), (370, 77827), (446, 64565), (698, 41255), (1115, 25826), (1745, 16502), (2230, 12913), (3490, 8251)]