78754844

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 162624000

約数和(自身を除く): 83869156

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 149, 172, 298, 301, 439, 596, 602, 878, 1043, 1204, 1756, 2086, 3073, 4172, 6146, 6407, 12292, 12814, 18877, 25628, 37754, 44849, 65411, 75508, 89698, 130822, 132139, 179396, 261644, 264278, 457877, 528556, 915754, 1831508, 2812673, 5625346, 11250692, 19688711, 39377422, 78754844]

約数ペア:

[(1, 78754844), (2, 39377422), (4, 19688711), (7, 11250692), (14, 5625346), (28, 2812673), (43, 1831508), (86, 915754), (149, 528556), (172, 457877), (298, 264278), (301, 261644), (439, 179396), (596, 132139), (602, 130822), (878, 89698), (1043, 75508), (1204, 65411), (1756, 44849), (2086, 37754), (3073, 25628), (4172, 18877), (6146, 12814), (6407, 12292)]