17920312

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 37355760

約数和(自身を除く): 19435448

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 289, 337, 391, 578, 674, 782, 1156, 1348, 1564, 2312, 2696, 3128, 5729, 6647, 7751, 11458, 13294, 15502, 22916, 26588, 31004, 45832, 53176, 62008, 97393, 131767, 194786, 263534, 389572, 527068, 779144, 1054136, 2240039, 4480078, 8960156, 17920312]

約数ペア:

[(1, 17920312), (2, 8960156), (4, 4480078), (8, 2240039), (17, 1054136), (23, 779144), (34, 527068), (46, 389572), (68, 263534), (92, 194786), (136, 131767), (184, 97393), (289, 62008), (337, 53176), (391, 45832), (578, 31004), (674, 26588), (782, 22916), (1156, 15502), (1348, 13294), (1564, 11458), (2312, 7751), (2696, 6647), (3128, 5729)]