248575990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{51679}}^1$

素因数の和:51736

約数の個数: 32

約数和(自身を含む): 494887680

約数和(自身を除く): 246311690

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 51679, 103358, 258395, 516790, 671827, 1343654, 1912123, 3359135, 3824246, 6718270, 9560615, 19121230, 24857599, 49715198, 124287995, 248575990]

約数ペア:

[(1, 248575990), (2, 124287995), (5, 49715198), (10, 24857599), (13, 19121230), (26, 9560615), (37, 6718270), (65, 3824246), (74, 3359135), (130, 1912123), (185, 1343654), (370, 671827), (481, 516790), (962, 258395), (2405, 103358), (4810, 51679)]