78438904

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2687}}^1$

素因数の和:2823

約数の個数: 32

約数和(自身を含む): 152409600

約数和(自身を除く): 73970696

約数列:

[1, 2, 4, 8, 41, 82, 89, 164, 178, 328, 356, 712, 2687, 3649, 5374, 7298, 10748, 14596, 21496, 29192, 110167, 220334, 239143, 440668, 478286, 881336, 956572, 1913144, 9804863, 19609726, 39219452, 78438904]

約数ペア:

[(1, 78438904), (2, 39219452), (4, 19609726), (8, 9804863), (41, 1913144), (82, 956572), (89, 881336), (164, 478286), (178, 440668), (328, 239143), (356, 220334), (712, 110167), (2687, 29192), (3649, 21496), (5374, 14596), (7298, 10748)]