388720076

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{20681}}^1$

素因数の和:20849

約数の個数: 24

約数和(自身を含む): 704180736

約数和(自身を除く): 315460660

約数列:

[1, 2, 4, 37, 74, 127, 148, 254, 508, 4699, 9398, 18796, 20681, 41362, 82724, 765197, 1530394, 2626487, 3060788, 5252974, 10505948, 97180019, 194360038, 388720076]

約数ペア:

[(1, 388720076), (2, 194360038), (4, 97180019), (37, 10505948), (74, 5252974), (127, 3060788), (148, 2626487), (254, 1530394), (508, 765197), (4699, 82724), (9398, 41362), (18796, 20681)]