25778116

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 57736896

約数和(自身を除く): 31958780

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 67, 91, 98, 134, 151, 182, 196, 268, 302, 364, 469, 604, 637, 871, 938, 1057, 1274, 1742, 1876, 1963, 2114, 2548, 3283, 3484, 3926, 4228, 6097, 6566, 7399, 7852, 10117, 12194, 13132, 13741, 14798, 20234, 24388, 27482, 29596, 40468, 42679, 54964, 70819, 85358, 96187, 131521, 141638, 170716, 192374, 263042, 283276, 384748, 495733, 526084, 920647, 991466, 1841294, 1982932, 3682588, 6444529, 12889058, 25778116]

約数ペア:

[(1, 25778116), (2, 12889058), (4, 6444529), (7, 3682588), (13, 1982932), (14, 1841294), (26, 991466), (28, 920647), (49, 526084), (52, 495733), (67, 384748), (91, 283276), (98, 263042), (134, 192374), (151, 170716), (182, 141638), (196, 131521), (268, 96187), (302, 85358), (364, 70819), (469, 54964), (604, 42679), (637, 40468), (871, 29596), (938, 27482), (1057, 24388), (1274, 20234), (1742, 14798), (1876, 13741), (1963, 13132), (2114, 12194), (2548, 10117), (3283, 7852), (3484, 7399), (3926, 6566), (4228, 6097)]