421543492

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{364657}}^1$

素因数の和:364695

約数の個数: 18

約数和(自身を含む): 783650042

約数和(自身を除く): 362106550

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 364657, 729314, 1458628, 6199169, 12398338, 24796676, 105385873, 210771746, 421543492]

約数ペア:

[(1, 421543492), (2, 210771746), (4, 105385873), (17, 24796676), (34, 12398338), (68, 6199169), (289, 1458628), (578, 729314), (1156, 364657)]