205550864

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 404289600

約数和(自身を除く): 198738736

約数列:

[1, 2, 4, 8, 16, 149, 151, 298, 302, 571, 596, 604, 1142, 1192, 1208, 2284, 2384, 2416, 4568, 9136, 22499, 44998, 85079, 86221, 89996, 170158, 172442, 179992, 340316, 344884, 359984, 680632, 689768, 1361264, 1379536, 12846929, 25693858, 51387716, 102775432, 205550864]

約数ペア:

[(1, 205550864), (2, 102775432), (4, 51387716), (8, 25693858), (16, 12846929), (149, 1379536), (151, 1361264), (298, 689768), (302, 680632), (571, 359984), (596, 344884), (604, 340316), (1142, 179992), (1192, 172442), (1208, 170158), (2284, 89996), (2384, 86221), (2416, 85079), (4568, 44998), (9136, 22499)]