218971928

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{47111}}^1$

素因数の和:47207

約数の個数: 32

約数和(自身を含む): 474888960

約数和(自身を除く): 255917032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4648, 47111, 94222, 188444, 329777, 376888, 659554, 1319108, 2638216, 3910213, 7820426, 15640852, 27371491, 31281704, 54742982, 109485964, 218971928]

約数ペア:

[(1, 218971928), (2, 109485964), (4, 54742982), (7, 31281704), (8, 27371491), (14, 15640852), (28, 7820426), (56, 3910213), (83, 2638216), (166, 1319108), (332, 659554), (581, 376888), (664, 329777), (1162, 188444), (2324, 94222), (4648, 47111)]