128819696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{423749}}^1$

素因数の和:423776

約数の個数: 20

約数和(自身を含む): 262725000

約数和(自身を除く): 133905304

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 423749, 847498, 1694996, 3389992, 6779984, 8051231, 16102462, 32204924, 64409848, 128819696]

約数ペア:

[(1, 128819696), (2, 64409848), (4, 32204924), (8, 16102462), (16, 8051231), (19, 6779984), (38, 3389992), (76, 1694996), (152, 847498), (304, 423749)]