251567442

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 638976000

約数和(自身を除く): 387408558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 127, 158, 199, 237, 254, 381, 398, 474, 553, 597, 711, 762, 889, 1106, 1143, 1194, 1393, 1422, 1659, 1778, 1791, 2286, 2667, 2786, 3318, 3582, 4179, 4977, 5334, 8001, 8358, 9954, 10033, 12537, 15721, 16002, 20066, 25074, 25273, 30099, 31442, 47163, 50546, 60198, 70231, 75819, 90297, 94326, 110047, 140462, 141489, 151638, 176911, 180594, 210693, 220094, 227457, 282978, 330141, 353822, 421386, 454914, 530733, 632079, 660282, 990423, 1061466, 1264158, 1592199, 1980846, 1996567, 3184398, 3993134, 5989701, 11979402, 13975969, 17969103, 27951938, 35938206, 41927907, 83855814, 125783721, 251567442]

約数ペア:

[(1, 251567442), (2, 125783721), (3, 83855814), (6, 41927907), (7, 35938206), (9, 27951938), (14, 17969103), (18, 13975969), (21, 11979402), (42, 5989701), (63, 3993134), (79, 3184398), (126, 1996567), (127, 1980846), (158, 1592199), (199, 1264158), (237, 1061466), (254, 990423), (381, 660282), (398, 632079), (474, 530733), (553, 454914), (597, 421386), (711, 353822), (762, 330141), (889, 282978), (1106, 227457), (1143, 220094), (1194, 210693), (1393, 180594), (1422, 176911), (1659, 151638), (1778, 141489), (1791, 140462), (2286, 110047), (2667, 94326), (2786, 90297), (3318, 75819), (3582, 70231), (4179, 60198), (4977, 50546), (5334, 47163), (8001, 31442), (8358, 30099), (9954, 25273), (10033, 25074), (12537, 20066), (15721, 16002)]