51438618

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 93713382

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 89, 99, 126, 139, 154, 178, 189, 198, 231, 267, 278, 297, 378, 417, 462, 534, 594, 623, 693, 801, 834, 973, 979, 1246, 1251, 1386, 1529, 1602, 1869, 1946, 1958, 2079, 2403, 2502, 2919, 2937, 3058, 3738, 3753, 4158, 4587, 4806, 5607, 5838, 5874, 6853, 7506, 8757, 8811, 9174, 10703, 11214, 12371, 13706, 13761, 16821, 17514, 17622, 20559, 21406, 24742, 26271, 26433, 27522, 32109, 33642, 37113, 41118, 41283, 52542, 52866, 61677, 64218, 74226, 82566, 86597, 96327, 111339, 123354, 136081, 173194, 185031, 192654, 222678, 259791, 272162, 288981, 334017, 370062, 408243, 519582, 577962, 668034, 779373, 816486, 952567, 1224729, 1558746, 1905134, 2338119, 2449458, 2857701, 3674187, 4676238, 5715402, 7348374, 8573103, 17146206, 25719309, 51438618]

約数ペア:

[(1, 51438618), (2, 25719309), (3, 17146206), (6, 8573103), (7, 7348374), (9, 5715402), (11, 4676238), (14, 3674187), (18, 2857701), (21, 2449458), (22, 2338119), (27, 1905134), (33, 1558746), (42, 1224729), (54, 952567), (63, 816486), (66, 779373), (77, 668034), (89, 577962), (99, 519582), (126, 408243), (139, 370062), (154, 334017), (178, 288981), (189, 272162), (198, 259791), (231, 222678), (267, 192654), (278, 185031), (297, 173194), (378, 136081), (417, 123354), (462, 111339), (534, 96327), (594, 86597), (623, 82566), (693, 74226), (801, 64218), (834, 61677), (973, 52866), (979, 52542), (1246, 41283), (1251, 41118), (1386, 37113), (1529, 33642), (1602, 32109), (1869, 27522), (1946, 26433), (1958, 26271), (2079, 24742), (2403, 21406), (2502, 20559), (2919, 17622), (2937, 17514), (3058, 16821), (3738, 13761), (3753, 13706), (4158, 12371), (4587, 11214), (4806, 10703), (5607, 9174), (5838, 8811), (5874, 8757), (6853, 7506)]