659249968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{102241}}^1$

素因数の和:102293

約数の個数: 40

約数和(自身を含む): 1419936896

約数和(自身を除く): 760686928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 102241, 204482, 408964, 817928, 1329133, 1635856, 2658266, 3169471, 5316532, 6338942, 10633064, 12677884, 21266128, 25355768, 41203123, 50711536, 82406246, 164812492, 329624984, 659249968]

約数ペア:

[(1, 659249968), (2, 329624984), (4, 164812492), (8, 82406246), (13, 50711536), (16, 41203123), (26, 25355768), (31, 21266128), (52, 12677884), (62, 10633064), (104, 6338942), (124, 5316532), (208, 3169471), (248, 2658266), (403, 1635856), (496, 1329133), (806, 817928), (1612, 408964), (3224, 204482), (6448, 102241)]