28163624

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 59136000

約数和(自身を除く): 30972376

約数列:

[1, 2, 4, 8, 19, 31, 38, 43, 62, 76, 86, 124, 139, 152, 172, 248, 278, 344, 556, 589, 817, 1112, 1178, 1333, 1634, 2356, 2641, 2666, 3268, 4309, 4712, 5282, 5332, 5977, 6536, 8618, 10564, 10664, 11954, 17236, 21128, 23908, 25327, 34472, 47816, 50654, 81871, 101308, 113563, 163742, 185287, 202616, 227126, 327484, 370574, 454252, 654968, 741148, 908504, 1482296, 3520453, 7040906, 14081812, 28163624]

約数ペア:

[(1, 28163624), (2, 14081812), (4, 7040906), (8, 3520453), (19, 1482296), (31, 908504), (38, 741148), (43, 654968), (62, 454252), (76, 370574), (86, 327484), (124, 227126), (139, 202616), (152, 185287), (172, 163742), (248, 113563), (278, 101308), (344, 81871), (556, 50654), (589, 47816), (817, 34472), (1112, 25327), (1178, 23908), (1333, 21128), (1634, 17236), (2356, 11954), (2641, 10664), (2666, 10564), (3268, 8618), (4309, 6536), (4712, 5977), (5282, 5332)]