845104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 1874880

約数和(自身を除く): 1029776

約数列:

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

約数ペア:

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