128673664

素因数分解:

$2^7\times 7^1\times {\mathrm{143609}}^1$

素因数の和:143630

約数の個数: 32

約数和(自身を含む): 292964400

約数和(自身を除く): 164290736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 143609, 287218, 574436, 1005263, 1148872, 2010526, 2297744, 4021052, 4595488, 8042104, 9190976, 16084208, 18381952, 32168416, 64336832, 128673664]

約数ペア:

[(1, 128673664), (2, 64336832), (4, 32168416), (7, 18381952), (8, 16084208), (14, 9190976), (16, 8042104), (28, 4595488), (32, 4021052), (56, 2297744), (64, 2010526), (112, 1148872), (128, 1005263), (224, 574436), (448, 287218), (896, 143609)]