256807656

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1013}}^1$

素因数の和:1535

約数の個数: 96

約数和(自身を含む): 797247360

約数和(自身を除く): 540439704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 503, 504, 1006, 1013, 1509, 2012, 2026, 3018, 3039, 3521, 4024, 4052, 4527, 6036, 6078, 7042, 7091, 8104, 9054, 9117, 10563, 12072, 12156, 14084, 14182, 18108, 18234, 21126, 21273, 24312, 28168, 28364, 31689, 36216, 36468, 42252, 42546, 56728, 63378, 63819, 72936, 84504, 85092, 126756, 127638, 170184, 253512, 255276, 509539, 510552, 1019078, 1528617, 2038156, 3057234, 3566773, 4076312, 4585851, 6114468, 7133546, 9171702, 10700319, 12228936, 14267092, 18343404, 21400638, 28534184, 32100957, 36686808, 42801276, 64201914, 85602552, 128403828, 256807656]

約数ペア:

[(1, 256807656), (2, 128403828), (3, 85602552), (4, 64201914), (6, 42801276), (7, 36686808), (8, 32100957), (9, 28534184), (12, 21400638), (14, 18343404), (18, 14267092), (21, 12228936), (24, 10700319), (28, 9171702), (36, 7133546), (42, 6114468), (56, 4585851), (63, 4076312), (72, 3566773), (84, 3057234), (126, 2038156), (168, 1528617), (252, 1019078), (503, 510552), (504, 509539), (1006, 255276), (1013, 253512), (1509, 170184), (2012, 127638), (2026, 126756), (3018, 85092), (3039, 84504), (3521, 72936), (4024, 63819), (4052, 63378), (4527, 56728), (6036, 42546), (6078, 42252), (7042, 36468), (7091, 36216), (8104, 31689), (9054, 28364), (9117, 28168), (10563, 24312), (12072, 21273), (12156, 21126), (14084, 18234), (14182, 18108)]