209739631205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1\times {\mathrm{3673}}^1$

素因数の和:5406

約数の個数: 64

約数和(自身を含む): 296508377088

約数和(自身を除く): 86768745883

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 1105, 1667, 2015, 2635, 3673, 6851, 8335, 18365, 21671, 28339, 34255, 47749, 51677, 62441, 108355, 113863, 141695, 238745, 258385, 312205, 368407, 569315, 671801, 811733, 878509, 1480219, 1842035, 1935671, 3359005, 4058665, 4392545, 6122891, 7401095, 9678355, 11420617, 25163723, 30614455, 57103085, 79597583, 104089147, 125818615, 189809621, 397987915, 520445735, 949048105, 1353158911, 2467525073, 3226763557, 6765794555, 12337625365, 16133817785, 41947926241, 209739631205]

約数ペア:

[(1, 209739631205), (5, 41947926241), (13, 16133817785), (17, 12337625365), (31, 6765794555), (65, 3226763557), (85, 2467525073), (155, 1353158911), (221, 949048105), (403, 520445735), (527, 397987915), (1105, 189809621), (1667, 125818615), (2015, 104089147), (2635, 79597583), (3673, 57103085), (6851, 30614455), (8335, 25163723), (18365, 11420617), (21671, 9678355), (28339, 7401095), (34255, 6122891), (47749, 4392545), (51677, 4058665), (62441, 3359005), (108355, 1935671), (113863, 1842035), (141695, 1480219), (238745, 878509), (258385, 811733), (312205, 671801), (368407, 569315)]