203328256

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{25621}}^1$

素因数の和:25668

約数の個数: 36

約数和(自身を含む): 418970944

約数和(自身を除く): 215642688

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 25621, 51242, 102484, 204968, 409936, 794251, 819872, 1588502, 1639744, 3177004, 3279488, 6354008, 6558976, 12708016, 25416032, 50832064, 101664128, 203328256]

約数ペア:

[(1, 203328256), (2, 101664128), (4, 50832064), (8, 25416032), (16, 12708016), (31, 6558976), (32, 6354008), (62, 3279488), (64, 3177004), (124, 1639744), (128, 1588502), (248, 819872), (256, 794251), (496, 409936), (992, 204968), (1984, 102484), (3968, 51242), (7936, 25621)]