16689968

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{15569}}^1$

素因数の和:15644

約数の個数: 20

約数和(自身を含む): 32821560

約数和(自身を除く): 16131592

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 15569, 31138, 62276, 124552, 249104, 1043123, 2086246, 4172492, 8344984, 16689968]

約数ペア:

[(1, 16689968), (2, 8344984), (4, 4172492), (8, 2086246), (16, 1043123), (67, 249104), (134, 124552), (268, 62276), (536, 31138), (1072, 15569)]