249910778

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 470541312

約数和(自身を除く): 220630534

約数列:

[1, 2, 13, 17, 23, 26, 31, 34, 46, 61, 62, 122, 169, 221, 299, 338, 391, 403, 442, 527, 598, 713, 782, 793, 806, 1037, 1054, 1403, 1426, 1586, 1891, 2074, 2806, 2873, 3782, 3887, 5083, 5239, 5746, 6851, 7774, 9269, 10166, 10309, 10478, 12121, 13481, 13702, 18239, 18538, 20618, 23851, 24242, 24583, 26962, 32147, 36478, 43493, 47702, 49166, 64294, 66079, 86986, 89063, 120497, 132158, 157573, 175253, 178126, 237107, 240994, 310063, 315146, 319579, 350506, 417911, 474214, 565409, 620126, 639158, 739381, 835822, 1130818, 1478762, 2048449, 4030819, 4096898, 5432843, 7350317, 8061638, 9611953, 10865686, 14700634, 19223906, 124955389, 249910778]

約数ペア:

[(1, 249910778), (2, 124955389), (13, 19223906), (17, 14700634), (23, 10865686), (26, 9611953), (31, 8061638), (34, 7350317), (46, 5432843), (61, 4096898), (62, 4030819), (122, 2048449), (169, 1478762), (221, 1130818), (299, 835822), (338, 739381), (391, 639158), (403, 620126), (442, 565409), (527, 474214), (598, 417911), (713, 350506), (782, 319579), (793, 315146), (806, 310063), (1037, 240994), (1054, 237107), (1403, 178126), (1426, 175253), (1586, 157573), (1891, 132158), (2074, 120497), (2806, 89063), (2873, 86986), (3782, 66079), (3887, 64294), (5083, 49166), (5239, 47702), (5746, 43493), (6851, 36478), (7774, 32147), (9269, 26962), (10166, 24583), (10309, 24242), (10478, 23851), (12121, 20618), (13481, 18538), (13702, 18239)]