15318688490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{218838407}}^1$

素因数の和:218838421

約数の個数: 16

約数和(自身を含む): 31512730752

約数和(自身を除く): 16194042262

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 218838407, 437676814, 1094192035, 1531868849, 2188384070, 3063737698, 7659344245, 15318688490]

約数ペア:

[(1, 15318688490), (2, 7659344245), (5, 3063737698), (7, 2188384070), (10, 1531868849), (14, 1094192035), (35, 437676814), (70, 218838407)]