257544

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{73}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 822510

約数和(自身を除く): 564966

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 73, 84, 98, 126, 146, 147, 168, 196, 219, 252, 292, 294, 392, 438, 441, 504, 511, 584, 588, 657, 876, 882, 1022, 1176, 1314, 1533, 1752, 1764, 2044, 2628, 3066, 3528, 3577, 4088, 4599, 5256, 6132, 7154, 9198, 10731, 12264, 14308, 18396, 21462, 28616, 32193, 36792, 42924, 64386, 85848, 128772, 257544]

約数ペア:

[(1, 257544), (2, 128772), (3, 85848), (4, 64386), (6, 42924), (7, 36792), (8, 32193), (9, 28616), (12, 21462), (14, 18396), (18, 14308), (21, 12264), (24, 10731), (28, 9198), (36, 7154), (42, 6132), (49, 5256), (56, 4599), (63, 4088), (72, 3577), (73, 3528), (84, 3066), (98, 2628), (126, 2044), (146, 1764), (147, 1752), (168, 1533), (196, 1314), (219, 1176), (252, 1022), (292, 882), (294, 876), (392, 657), (438, 588), (441, 584), (504, 511)]