256439904

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{381607}}^1$

素因数の和:381627

約数の個数: 48

約数和(自身を含む): 769321728

約数和(自身を除く): 512881824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 381607, 763214, 1144821, 1526428, 2289642, 2671249, 3052856, 4579284, 5342498, 6105712, 8013747, 9158568, 10684996, 12211424, 16027494, 18317136, 21369992, 32054988, 36634272, 42739984, 64109976, 85479968, 128219952, 256439904]

約数ペア:

[(1, 256439904), (2, 128219952), (3, 85479968), (4, 64109976), (6, 42739984), (7, 36634272), (8, 32054988), (12, 21369992), (14, 18317136), (16, 16027494), (21, 12211424), (24, 10684996), (28, 9158568), (32, 8013747), (42, 6105712), (48, 5342498), (56, 4579284), (84, 3052856), (96, 2671249), (112, 2289642), (168, 1526428), (224, 1144821), (336, 763214), (672, 381607)]