81355408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164023}}^1$

素因数の和:164062

約数の個数: 20

約数和(自身を含む): 162711808

約数和(自身を除く): 81356400

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164023, 328046, 656092, 1312184, 2624368, 5084713, 10169426, 20338852, 40677704, 81355408]

約数ペア:

[(1, 81355408), (2, 40677704), (4, 20338852), (8, 10169426), (16, 5084713), (31, 2624368), (62, 1312184), (124, 656092), (248, 328046), (496, 164023)]