263995008

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 128

約数和(自身を含む): 736880640

約数和(自身を除く): 472885632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 67, 93, 96, 124, 128, 134, 186, 192, 201, 248, 268, 331, 372, 384, 402, 496, 536, 662, 744, 804, 992, 993, 1072, 1324, 1488, 1608, 1984, 1986, 2077, 2144, 2648, 2976, 3216, 3968, 3972, 4154, 4288, 5296, 5952, 6231, 6432, 7944, 8308, 8576, 10261, 10592, 11904, 12462, 12864, 15888, 16616, 20522, 21184, 22177, 24924, 25728, 30783, 31776, 33232, 41044, 42368, 44354, 49848, 61566, 63552, 66464, 66531, 82088, 88708, 99696, 123132, 127104, 132928, 133062, 164176, 177416, 199392, 246264, 265856, 266124, 328352, 354832, 398784, 492528, 532248, 656704, 687487, 709664, 797568, 985056, 1064496, 1313408, 1374974, 1419328, 1970112, 2062461, 2128992, 2749948, 2838656, 3940224, 4124922, 4257984, 5499896, 8249844, 8515968, 10999792, 16499688, 21999584, 32999376, 43999168, 65998752, 87998336, 131997504, 263995008]

約数ペア:

[(1, 263995008), (2, 131997504), (3, 87998336), (4, 65998752), (6, 43999168), (8, 32999376), (12, 21999584), (16, 16499688), (24, 10999792), (31, 8515968), (32, 8249844), (48, 5499896), (62, 4257984), (64, 4124922), (67, 3940224), (93, 2838656), (96, 2749948), (124, 2128992), (128, 2062461), (134, 1970112), (186, 1419328), (192, 1374974), (201, 1313408), (248, 1064496), (268, 985056), (331, 797568), (372, 709664), (384, 687487), (402, 656704), (496, 532248), (536, 492528), (662, 398784), (744, 354832), (804, 328352), (992, 266124), (993, 265856), (1072, 246264), (1324, 199392), (1488, 177416), (1608, 164176), (1984, 133062), (1986, 132928), (2077, 127104), (2144, 123132), (2648, 99696), (2976, 88708), (3216, 82088), (3968, 66531), (3972, 66464), (4154, 63552), (4288, 61566), (5296, 49848), (5952, 44354), (6231, 42368), (6432, 41044), (7944, 33232), (8308, 31776), (8576, 30783), (10261, 25728), (10592, 24924), (11904, 22177), (12462, 21184), (12864, 20522), (15888, 16616)]