81118144

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{3511}}^1$

素因数の和:3561

約数の個数: 42

約数和(自身を含む): 169935144

約数和(自身を除く): 88817000

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 1216, 1444, 2888, 3511, 5776, 7022, 11552, 14044, 23104, 28088, 56176, 66709, 112352, 133418, 224704, 266836, 533672, 1067344, 1267471, 2134688, 2534942, 4269376, 5069884, 10139768, 20279536, 40559072, 81118144]

約数ペア:

[(1, 81118144), (2, 40559072), (4, 20279536), (8, 10139768), (16, 5069884), (19, 4269376), (32, 2534942), (38, 2134688), (64, 1267471), (76, 1067344), (152, 533672), (304, 266836), (361, 224704), (608, 133418), (722, 112352), (1216, 66709), (1444, 56176), (2888, 28088), (3511, 23104), (5776, 14044), (7022, 11552)]