139856128

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{17623}}^1$

素因数の和:17670

約数の個数: 36

約数和(自身を含む): 288187648

約数和(自身を除く): 148331520

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 17623, 35246, 70492, 140984, 281968, 546313, 563936, 1092626, 1127872, 2185252, 2255744, 4370504, 4511488, 8741008, 17482016, 34964032, 69928064, 139856128]

約数ペア:

[(1, 139856128), (2, 69928064), (4, 34964032), (8, 17482016), (16, 8741008), (31, 4511488), (32, 4370504), (62, 2255744), (64, 2185252), (124, 1127872), (128, 1092626), (248, 563936), (256, 546313), (496, 281968), (992, 140984), (1984, 70492), (3968, 35246), (7936, 17623)]