39781105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 24569615

約数列:

[1, 5, 7, 13, 17, 35, 37, 65, 85, 91, 119, 139, 185, 221, 259, 455, 481, 595, 629, 695, 973, 1105, 1295, 1547, 1807, 2363, 2405, 3145, 3367, 4403, 4865, 5143, 7735, 8177, 9035, 11815, 12649, 16541, 16835, 22015, 25715, 30719, 36001, 40885, 57239, 63245, 66859, 82705, 87431, 153595, 180005, 215033, 286195, 334295, 437155, 468013, 612017, 1075165, 1136603, 2340065, 3060085, 5683015, 7956221, 39781105]

約数ペア:

[(1, 39781105), (5, 7956221), (7, 5683015), (13, 3060085), (17, 2340065), (35, 1136603), (37, 1075165), (65, 612017), (85, 468013), (91, 437155), (119, 334295), (139, 286195), (185, 215033), (221, 180005), (259, 153595), (455, 87431), (481, 82705), (595, 66859), (629, 63245), (695, 57239), (973, 40885), (1105, 36001), (1295, 30719), (1547, 25715), (1807, 22015), (2363, 16835), (2405, 16541), (3145, 12649), (3367, 11815), (4403, 9035), (4865, 8177), (5143, 7735)]