161769868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{22381}}^1$

素因数の和:22537

約数の個数: 24

約数和(自身を含む): 307081040

約数和(自身を除く): 145311172

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 22381, 44762, 89524, 290953, 581906, 1163812, 3110959, 6221918, 12443836, 40442467, 80884934, 161769868]

約数ペア:

[(1, 161769868), (2, 80884934), (4, 40442467), (13, 12443836), (26, 6221918), (52, 3110959), (139, 1163812), (278, 581906), (556, 290953), (1807, 89524), (3614, 44762), (7228, 22381)]