206838905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{5477}}^1$

素因数の和:5585

約数の個数: 32

約数和(自身を含む): 309222144

約数和(自身を除く): 102383239

約数列:

[1, 5, 7, 13, 35, 65, 83, 91, 415, 455, 581, 1079, 2905, 5395, 5477, 7553, 27385, 37765, 38339, 71201, 191695, 356005, 454591, 498407, 2272955, 2492035, 3182137, 5909683, 15910685, 29548415, 41367781, 206838905]

約数ペア:

[(1, 206838905), (5, 41367781), (7, 29548415), (13, 15910685), (35, 5909683), (65, 3182137), (83, 2492035), (91, 2272955), (415, 498407), (455, 454591), (581, 356005), (1079, 191695), (2905, 71201), (5395, 38339), (5477, 37765), (7553, 27385)]