261479862

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:730

約数の個数: 96

約数和(自身を含む): 685900800

約数和(自身を除く): 424420938

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 239, 266, 342, 399, 457, 478, 717, 798, 914, 1197, 1371, 1434, 1673, 2151, 2394, 2742, 3199, 3346, 4113, 4302, 4541, 5019, 6398, 8226, 8683, 9082, 9597, 10038, 13623, 15057, 17366, 19194, 26049, 27246, 28791, 30114, 31787, 40869, 52098, 57582, 60781, 63574, 78147, 81738, 95361, 109223, 121562, 156294, 182343, 190722, 218446, 286083, 327669, 364686, 547029, 572166, 655338, 764561, 983007, 1094058, 1529122, 1966014, 2075237, 2293683, 4150474, 4587366, 6225711, 6881049, 12451422, 13762098, 14526659, 18677133, 29053318, 37354266, 43579977, 87159954, 130739931, 261479862]

約数ペア:

[(1, 261479862), (2, 130739931), (3, 87159954), (6, 43579977), (7, 37354266), (9, 29053318), (14, 18677133), (18, 14526659), (19, 13762098), (21, 12451422), (38, 6881049), (42, 6225711), (57, 4587366), (63, 4150474), (114, 2293683), (126, 2075237), (133, 1966014), (171, 1529122), (239, 1094058), (266, 983007), (342, 764561), (399, 655338), (457, 572166), (478, 547029), (717, 364686), (798, 327669), (914, 286083), (1197, 218446), (1371, 190722), (1434, 182343), (1673, 156294), (2151, 121562), (2394, 109223), (2742, 95361), (3199, 81738), (3346, 78147), (4113, 63574), (4302, 60781), (4541, 57582), (5019, 52098), (6398, 40869), (8226, 31787), (8683, 30114), (9082, 28791), (9597, 27246), (10038, 26049), (13623, 19194), (15057, 17366)]