81277130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4271}}^1$

素因数の和:4462

約数の個数: 32

約数和(自身を含む): 160558848

約数和(自身を除く): 79281718

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 173, 346, 865, 1730, 1903, 3806, 4271, 8542, 9515, 19030, 21355, 42710, 46981, 93962, 234905, 469810, 738883, 1477766, 3694415, 7388830, 8127713, 16255426, 40638565, 81277130]

約数ペア:

[(1, 81277130), (2, 40638565), (5, 16255426), (10, 8127713), (11, 7388830), (22, 3694415), (55, 1477766), (110, 738883), (173, 469810), (346, 234905), (865, 93962), (1730, 46981), (1903, 42710), (3806, 21355), (4271, 19030), (8542, 9515)]