720749408

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{1324907}}^1$

素因数の和:1324934

約数の個数: 24

約数和(自身を含む): 1502445672

約数和(自身を除く): 781696264

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 1324907, 2649814, 5299628, 10599256, 21198512, 22523419, 42397024, 45046838, 90093676, 180187352, 360374704, 720749408]

約数ペア:

[(1, 720749408), (2, 360374704), (4, 180187352), (8, 90093676), (16, 45046838), (17, 42397024), (32, 22523419), (34, 21198512), (68, 10599256), (136, 5299628), (272, 2649814), (544, 1324907)]