212313904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{367}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 476398080

約数和(自身を除く): 264084176

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 173, 176, 209, 304, 346, 367, 418, 692, 734, 836, 1384, 1468, 1672, 1903, 2768, 2936, 3287, 3344, 3806, 4037, 5872, 6574, 6973, 7612, 8074, 13148, 13946, 15224, 16148, 26296, 27892, 30448, 32296, 36157, 52592, 55784, 63491, 64592, 72314, 76703, 111568, 126982, 144628, 153406, 253964, 289256, 306812, 507928, 578512, 613624, 698401, 1015856, 1206329, 1227248, 1396802, 2412658, 2793604, 4825316, 5587208, 9650632, 11174416, 13269619, 19301264, 26539238, 53078476, 106156952, 212313904]

約数ペア:

[(1, 212313904), (2, 106156952), (4, 53078476), (8, 26539238), (11, 19301264), (16, 13269619), (19, 11174416), (22, 9650632), (38, 5587208), (44, 4825316), (76, 2793604), (88, 2412658), (152, 1396802), (173, 1227248), (176, 1206329), (209, 1015856), (304, 698401), (346, 613624), (367, 578512), (418, 507928), (692, 306812), (734, 289256), (836, 253964), (1384, 153406), (1468, 144628), (1672, 126982), (1903, 111568), (2768, 76703), (2936, 72314), (3287, 64592), (3344, 63491), (3806, 55784), (4037, 52592), (5872, 36157), (6574, 32296), (6973, 30448), (7612, 27892), (8074, 26296), (13148, 16148), (13946, 15224)]