209489994812

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{525517}}^1$

素因数の和:526170

約数の個数: 48

約数和(自身を含む): 437903639040

約数和(自身を除く): 228413644228

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 619, 644, 1238, 2476, 4333, 8666, 14237, 17332, 28474, 56948, 99659, 199318, 398636, 525517, 1051034, 2102068, 3678619, 7357238, 12086891, 14714476, 24173782, 48347564, 84608237, 169216474, 325295023, 338432948, 650590046, 1301180092, 2277065161, 4554130322, 7481785529, 9108260644, 14963571058, 29927142116, 52372498703, 104744997406, 209489994812]

約数ペア:

[(1, 209489994812), (2, 104744997406), (4, 52372498703), (7, 29927142116), (14, 14963571058), (23, 9108260644), (28, 7481785529), (46, 4554130322), (92, 2277065161), (161, 1301180092), (322, 650590046), (619, 338432948), (644, 325295023), (1238, 169216474), (2476, 84608237), (4333, 48347564), (8666, 24173782), (14237, 14714476), (17332, 12086891), (28474, 7357238), (56948, 3678619), (99659, 2102068), (199318, 1051034), (398636, 525517)]