28486185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 29090775

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 41, 65, 91, 105, 123, 195, 205, 273, 287, 455, 509, 533, 615, 861, 1365, 1435, 1527, 1599, 2545, 2665, 3563, 3731, 4305, 6617, 7635, 7995, 10689, 11193, 17815, 18655, 19851, 20869, 33085, 46319, 53445, 55965, 62607, 99255, 104345, 138957, 146083, 231595, 271297, 313035, 438249, 694785, 730415, 813891, 1356485, 1899079, 2191245, 4069455, 5697237, 9495395, 28486185]

約数ペア:

[(1, 28486185), (3, 9495395), (5, 5697237), (7, 4069455), (13, 2191245), (15, 1899079), (21, 1356485), (35, 813891), (39, 730415), (41, 694785), (65, 438249), (91, 313035), (105, 271297), (123, 231595), (195, 146083), (205, 138957), (273, 104345), (287, 99255), (455, 62607), (509, 55965), (533, 53445), (615, 46319), (861, 33085), (1365, 20869), (1435, 19851), (1527, 18655), (1599, 17815), (2545, 11193), (2665, 10689), (3563, 7995), (3731, 7635), (4305, 6617)]