256921728

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{95581}}^1$

素因数の和:95605

約数の個数: 64

約数和(自身を含む): 779949120

約数和(自身を除く): 523027392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 95581, 191162, 286743, 382324, 573486, 669067, 764648, 1146972, 1338134, 1529296, 2007201, 2293944, 2676268, 3058592, 4014402, 4587888, 5352536, 6117184, 8028804, 9175776, 10705072, 12234368, 16057608, 18351552, 21410144, 32115216, 36703104, 42820288, 64230432, 85640576, 128460864, 256921728]

約数ペア:

[(1, 256921728), (2, 128460864), (3, 85640576), (4, 64230432), (6, 42820288), (7, 36703104), (8, 32115216), (12, 21410144), (14, 18351552), (16, 16057608), (21, 12234368), (24, 10705072), (28, 9175776), (32, 8028804), (42, 6117184), (48, 5352536), (56, 4587888), (64, 4014402), (84, 3058592), (96, 2676268), (112, 2293944), (128, 2007201), (168, 1529296), (192, 1338134), (224, 1146972), (336, 764648), (384, 669067), (448, 573486), (672, 382324), (896, 286743), (1344, 191162), (2688, 95581)]