68663266

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{20521}}^1$

素因数の和:20769

約数の個数: 16

約数和(自身を含む): 118206720

約数和(自身を除く): 49543454

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 20521, 41042, 143647, 287294, 4904519, 9809038, 34331633, 68663266]

約数ペア:

[(1, 68663266), (2, 34331633), (7, 9809038), (14, 4904519), (239, 287294), (478, 143647), (1673, 41042), (3346, 20521)]