172175408

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{77417}}^1$

素因数の和:77564

約数の個数: 20

約数和(自身を含む): 335994120

約数和(自身を除く): 163818712

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 77417, 154834, 309668, 619336, 1238672, 10760963, 21521926, 43043852, 86087704, 172175408]

約数ペア:

[(1, 172175408), (2, 86087704), (4, 43043852), (8, 21521926), (16, 10760963), (139, 1238672), (278, 619336), (556, 309668), (1112, 154834), (2224, 77417)]