208764997

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 262126080

約数和(自身を除く): 53361083

約数列:

[1, 7, 23, 29, 61, 161, 203, 427, 667, 733, 1403, 1769, 4669, 5131, 9821, 12383, 16859, 21257, 40687, 44713, 118013, 148799, 284809, 312991, 488911, 1028399, 1296677, 3422377, 7198793, 9076739, 29823571, 208764997]

約数ペア:

[(1, 208764997), (7, 29823571), (23, 9076739), (29, 7198793), (61, 3422377), (161, 1296677), (203, 1028399), (427, 488911), (667, 312991), (733, 284809), (1403, 148799), (1769, 118013), (4669, 44713), (5131, 40687), (9821, 21257), (12383, 16859)]