1690208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 3810240

約数和(自身を除く): 2120032

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 239, 272, 416, 442, 478, 544, 884, 956, 1768, 1912, 3107, 3536, 3824, 4063, 6214, 7072, 7648, 8126, 12428, 16252, 24856, 32504, 49712, 52819, 65008, 99424, 105638, 130016, 211276, 422552, 845104, 1690208]

約数ペア:

[(1, 1690208), (2, 845104), (4, 422552), (8, 211276), (13, 130016), (16, 105638), (17, 99424), (26, 65008), (32, 52819), (34, 49712), (52, 32504), (68, 24856), (104, 16252), (136, 12428), (208, 8126), (221, 7648), (239, 7072), (272, 6214), (416, 4063), (442, 3824), (478, 3536), (544, 3107), (884, 1912), (956, 1768)]