217866410

素因数分解:

$2^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{90401}}^1$

素因数の和:90649

約数の個数: 16

約数和(自身を含む): 393791112

約数和(自身を除く): 175924702

約数列:

[1, 2, 5, 10, 241, 482, 1205, 2410, 90401, 180802, 452005, 904010, 21786641, 43573282, 108933205, 217866410]

約数ペア:

[(1, 217866410), (2, 108933205), (5, 43573282), (10, 21786641), (241, 904010), (482, 452005), (1205, 180802), (2410, 90401)]