2820804805

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2467}}^1$

素因数の和:2858

約数の個数: 48

約数和(自身を含む): 4254042240

約数和(自身を除く): 1433237435

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 359, 455, 637, 1795, 2467, 2513, 3185, 4667, 12335, 12565, 17269, 17591, 23335, 32071, 32669, 86345, 87955, 120883, 160355, 163345, 224497, 228683, 604415, 885653, 1122485, 1143415, 1571479, 4428265, 6199571, 7857395, 11513489, 30997855, 43396997, 57567445, 80594423, 216984985, 402972115, 564160961, 2820804805]

約数ペア:

[(1, 2820804805), (5, 564160961), (7, 402972115), (13, 216984985), (35, 80594423), (49, 57567445), (65, 43396997), (91, 30997855), (245, 11513489), (359, 7857395), (455, 6199571), (637, 4428265), (1795, 1571479), (2467, 1143415), (2513, 1122485), (3185, 885653), (4667, 604415), (12335, 228683), (12565, 224497), (17269, 163345), (17591, 160355), (23335, 120883), (32071, 87955), (32669, 86345)]