858806788

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{1951}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 1748992000

約数和(自身を除く): 890185212

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 199, 316, 398, 553, 796, 1106, 1393, 1951, 2212, 2786, 3902, 5572, 7804, 13657, 15721, 27314, 31442, 54628, 62884, 110047, 154129, 220094, 308258, 388249, 440188, 616516, 776498, 1078903, 1552996, 2157806, 2717743, 4315612, 5435486, 10870972, 30671671, 61343342, 122686684, 214701697, 429403394, 858806788]

約数ペア:

[(1, 858806788), (2, 429403394), (4, 214701697), (7, 122686684), (14, 61343342), (28, 30671671), (79, 10870972), (158, 5435486), (199, 4315612), (316, 2717743), (398, 2157806), (553, 1552996), (796, 1078903), (1106, 776498), (1393, 616516), (1951, 440188), (2212, 388249), (2786, 308258), (3902, 220094), (5572, 154129), (7804, 110047), (13657, 62884), (15721, 54628), (27314, 31442)]