661249810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{6883}}^1$

素因数の和:7642

約数の個数: 32

約数和(自身を含む): 1283728320

約数和(自身を除く): 622478510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 739, 1478, 3695, 6883, 7390, 9607, 13766, 19214, 34415, 48035, 68830, 89479, 96070, 178958, 447395, 894790, 5086537, 10173074, 25432685, 50865370, 66124981, 132249962, 330624905, 661249810]

約数ペア:

[(1, 661249810), (2, 330624905), (5, 132249962), (10, 66124981), (13, 50865370), (26, 25432685), (65, 10173074), (130, 5086537), (739, 894790), (1478, 447395), (3695, 178958), (6883, 96070), (7390, 89479), (9607, 68830), (13766, 48035), (19214, 34415)]