1388391095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2544

約数の個数: 64

約数和(自身を含む): 2171473920

約数和(自身を除く): 783082825

約数列:

[1, 5, 7, 13, 29, 35, 43, 65, 91, 145, 203, 215, 301, 377, 455, 559, 1015, 1247, 1505, 1885, 2447, 2639, 2795, 3913, 6235, 8729, 12235, 13195, 16211, 17129, 19565, 31811, 43645, 70963, 81055, 85645, 105221, 113477, 159055, 222677, 354815, 496741, 526105, 567385, 736547, 922519, 1113385, 1367873, 2483705, 3051409, 3682735, 4612595, 6457633, 6839365, 9575111, 15257045, 21359863, 32288165, 39668317, 47875555, 106799315, 198341585, 277678219, 1388391095]

約数ペア:

[(1, 1388391095), (5, 277678219), (7, 198341585), (13, 106799315), (29, 47875555), (35, 39668317), (43, 32288165), (65, 21359863), (91, 15257045), (145, 9575111), (203, 6839365), (215, 6457633), (301, 4612595), (377, 3682735), (455, 3051409), (559, 2483705), (1015, 1367873), (1247, 1113385), (1505, 922519), (1885, 736547), (2447, 567385), (2639, 526105), (2795, 496741), (3913, 354815), (6235, 222677), (8729, 159055), (12235, 113477), (13195, 105221), (16211, 85645), (17129, 81055), (19565, 70963), (31811, 43645)]