641841984

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{22741}}^1$

素因数の和:22773

約数の個数: 126

約数和(自身を含む): 2140181394

約数和(自身を除く): 1498339410

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 392, 441, 448, 504, 576, 588, 672, 784, 882, 1008, 1176, 1344, 1568, 1764, 2016, 2352, 3136, 3528, 4032, 4704, 7056, 9408, 14112, 22741, 28224, 45482, 68223, 90964, 136446, 159187, 181928, 204669, 272892, 318374, 363856, 409338, 477561, 545784, 636748, 727712, 818676, 955122, 1091568, 1114309, 1273496, 1432683, 1455424, 1637352, 1910244, 2183136, 2228618, 2546992, 2865366, 3274704, 3342927, 3820488, 4366272, 4457236, 5093984, 5730732, 6549408, 6685854, 7640976, 8914472, 10028781, 10187968, 11461464, 13098816, 13371708, 15281952, 17828944, 20057562, 22922928, 26743416, 30563904, 35657888, 40115124, 45845856, 53486832, 71315776, 80230248, 91691712, 106973664, 160460496, 213947328, 320920992, 641841984]

約数ペア:

[(1, 641841984), (2, 320920992), (3, 213947328), (4, 160460496), (6, 106973664), (7, 91691712), (8, 80230248), (9, 71315776), (12, 53486832), (14, 45845856), (16, 40115124), (18, 35657888), (21, 30563904), (24, 26743416), (28, 22922928), (32, 20057562), (36, 17828944), (42, 15281952), (48, 13371708), (49, 13098816), (56, 11461464), (63, 10187968), (64, 10028781), (72, 8914472), (84, 7640976), (96, 6685854), (98, 6549408), (112, 5730732), (126, 5093984), (144, 4457236), (147, 4366272), (168, 3820488), (192, 3342927), (196, 3274704), (224, 2865366), (252, 2546992), (288, 2228618), (294, 2183136), (336, 1910244), (392, 1637352), (441, 1455424), (448, 1432683), (504, 1273496), (576, 1114309), (588, 1091568), (672, 955122), (784, 818676), (882, 727712), (1008, 636748), (1176, 545784), (1344, 477561), (1568, 409338), (1764, 363856), (2016, 318374), (2352, 272892), (3136, 204669), (3528, 181928), (4032, 159187), (4704, 136446), (7056, 90964), (9408, 68223), (14112, 45482), (22741, 28224)]