81963757376

素因数分解:

$2^6\times {\mathrm{49411}}^1\times {\mathrm{25919}}^1$

素因数の和:75342

約数の個数: 28

約数和(自身を含む): 162656398080

約数和(自身を除く): 80692640704

約数列:

[1, 2, 4, 8, 16, 32, 64, 25919, 49411, 51838, 98822, 103676, 197644, 207352, 395288, 414704, 790576, 829408, 1581152, 1658816, 3162304, 1280683709, 2561367418, 5122734836, 10245469672, 20490939344, 40981878688, 81963757376]

約数ペア:

[(1, 81963757376), (2, 40981878688), (4, 20490939344), (8, 10245469672), (16, 5122734836), (32, 2561367418), (64, 1280683709), (25919, 3162304), (49411, 1658816), (51838, 1581152), (98822, 829408), (103676, 790576), (197644, 414704), (207352, 395288)]