205808876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 487968768

約数和(自身を除く): 282159892

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 31, 46, 52, 61, 62, 91, 92, 122, 124, 161, 169, 182, 217, 244, 299, 322, 338, 364, 403, 427, 434, 598, 644, 676, 713, 793, 806, 854, 868, 1183, 1196, 1403, 1426, 1586, 1612, 1708, 1891, 2093, 2366, 2806, 2821, 2852, 3172, 3782, 3887, 4186, 4732, 4991, 5239, 5551, 5612, 5642, 7564, 7774, 8372, 9269, 9821, 9982, 10309, 10478, 11102, 11284, 13237, 15548, 18239, 18538, 19642, 19964, 20618, 20956, 22204, 24583, 26474, 27209, 36478, 36673, 37076, 39284, 41236, 43493, 49166, 52948, 54418, 64883, 72163, 72956, 73346, 86986, 98332, 108836, 120497, 127673, 129766, 144326, 146692, 172081, 173972, 237107, 240994, 255346, 259532, 288652, 304451, 319579, 344162, 474214, 481988, 510692, 565409, 608902, 639158, 688324, 843479, 948428, 1130818, 1217804, 1278316, 1659749, 1686958, 2237053, 2261636, 3319498, 3373916, 3957863, 4474106, 6638996, 7350317, 7915726, 8948212, 14700634, 15831452, 29401268, 51452219, 102904438, 205808876]

約数ペア:

[(1, 205808876), (2, 102904438), (4, 51452219), (7, 29401268), (13, 15831452), (14, 14700634), (23, 8948212), (26, 7915726), (28, 7350317), (31, 6638996), (46, 4474106), (52, 3957863), (61, 3373916), (62, 3319498), (91, 2261636), (92, 2237053), (122, 1686958), (124, 1659749), (161, 1278316), (169, 1217804), (182, 1130818), (217, 948428), (244, 843479), (299, 688324), (322, 639158), (338, 608902), (364, 565409), (403, 510692), (427, 481988), (434, 474214), (598, 344162), (644, 319579), (676, 304451), (713, 288652), (793, 259532), (806, 255346), (854, 240994), (868, 237107), (1183, 173972), (1196, 172081), (1403, 146692), (1426, 144326), (1586, 129766), (1612, 127673), (1708, 120497), (1891, 108836), (2093, 98332), (2366, 86986), (2806, 73346), (2821, 72956), (2852, 72163), (3172, 64883), (3782, 54418), (3887, 52948), (4186, 49166), (4732, 43493), (4991, 41236), (5239, 39284), (5551, 37076), (5612, 36673), (5642, 36478), (7564, 27209), (7774, 26474), (8372, 24583), (9269, 22204), (9821, 20956), (9982, 20618), (10309, 19964), (10478, 19642), (11102, 18538), (11284, 18239), (13237, 15548)]