15721944722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{157721}}^1$

素因数の和:157954

約数の個数: 32

約数和(自身を含む): 26981817984

約数和(自身を除く): 11259873262

約数列:

[1, 2, 11, 22, 23, 46, 197, 253, 394, 506, 2167, 4334, 4531, 9062, 49841, 99682, 157721, 315442, 1734931, 3469862, 3627583, 7255166, 31071037, 39903413, 62142074, 79806826, 341781407, 683562814, 714633851, 1429267702, 7860972361, 15721944722]

約数ペア:

[(1, 15721944722), (2, 7860972361), (11, 1429267702), (22, 714633851), (23, 683562814), (46, 341781407), (197, 79806826), (253, 62142074), (394, 39903413), (506, 31071037), (2167, 7255166), (4334, 3627583), (4531, 3469862), (9062, 1734931), (49841, 315442), (99682, 157721)]