256783015775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{6577}}^1$

素因数の和:6841

約数の個数: 96

約数和(自身を含む): 382047714048

約数和(自身を除く): 125264698273

約数列:

[1, 5, 11, 13, 25, 55, 65, 67, 143, 163, 275, 325, 335, 715, 737, 815, 871, 1675, 1793, 2119, 3575, 3685, 4075, 4355, 6577, 8965, 9581, 10595, 10921, 18425, 21775, 23309, 32885, 44825, 47905, 52975, 54605, 72347, 85501, 116545, 120131, 141973, 164425, 239525, 273025, 361735, 427505, 440659, 582725, 600655, 709865, 940511, 1072051, 1561703, 1808675, 2137525, 2203295, 3003275, 3549325, 4702555, 4847249, 5360255, 5728567, 7808515, 11016475, 11792561, 13936663, 23512775, 24236245, 26801275, 28642835, 39042575, 58962805, 63014237, 69683315, 71827417, 121181225, 143214175, 153303293, 294814025, 315071185, 348416575, 359137085, 766516465, 790101587, 933756421, 1575355925, 1795685425, 3832582325, 3950507935, 4668782105, 10271320631, 19752539675, 23343910525, 51356603155, 256783015775]

約数ペア:

[(1, 256783015775), (5, 51356603155), (11, 23343910525), (13, 19752539675), (25, 10271320631), (55, 4668782105), (65, 3950507935), (67, 3832582325), (143, 1795685425), (163, 1575355925), (275, 933756421), (325, 790101587), (335, 766516465), (715, 359137085), (737, 348416575), (815, 315071185), (871, 294814025), (1675, 153303293), (1793, 143214175), (2119, 121181225), (3575, 71827417), (3685, 69683315), (4075, 63014237), (4355, 58962805), (6577, 39042575), (8965, 28642835), (9581, 26801275), (10595, 24236245), (10921, 23512775), (18425, 13936663), (21775, 11792561), (23309, 11016475), (32885, 7808515), (44825, 5728567), (47905, 5360255), (52975, 4847249), (54605, 4702555), (72347, 3549325), (85501, 3003275), (116545, 2203295), (120131, 2137525), (141973, 1808675), (164425, 1561703), (239525, 1072051), (273025, 940511), (361735, 709865), (427505, 600655), (440659, 582725)]