216965854

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{18211}}^1$

素因数の和:18280

約数の個数: 32

約数和(自身を含む): 398624256

約数和(自身を除く): 181658402

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 518, 851, 1702, 5957, 11914, 18211, 36422, 127477, 254954, 418853, 673807, 837706, 1347614, 2931971, 4716649, 5863942, 9433298, 15497561, 30995122, 108482927, 216965854]

約数ペア:

[(1, 216965854), (2, 108482927), (7, 30995122), (14, 15497561), (23, 9433298), (37, 5863942), (46, 4716649), (74, 2931971), (161, 1347614), (259, 837706), (322, 673807), (518, 418853), (851, 254954), (1702, 127477), (5957, 36422), (11914, 18211)]