828389638

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 1283400000

約数和(自身を除く): 455010362

約数列:

[1, 2, 61, 122, 149, 199, 229, 298, 398, 458, 9089, 12139, 13969, 18178, 24278, 27938, 29651, 34121, 45571, 59302, 68242, 91142, 1808711, 2081381, 2779831, 3617422, 4162762, 5559662, 6790079, 13580158, 414194819, 828389638]

約数ペア:

[(1, 828389638), (2, 414194819), (61, 13580158), (122, 6790079), (149, 5559662), (199, 4162762), (229, 3617422), (298, 2779831), (398, 2081381), (458, 1808711), (9089, 91142), (12139, 68242), (13969, 59302), (18178, 45571), (24278, 34121), (27938, 29651)]