20171712091

素因数分解:

${\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 21461760000

約数和(自身を除く): 1290047909

約数列:

[1, 29, 71, 179, 229, 239, 2059, 5191, 6641, 6931, 12709, 16259, 16969, 40991, 42781, 54731, 368561, 471511, 492101, 1188739, 1240649, 1587199, 2910361, 3037451, 3885901, 9796849, 84400469, 88086079, 112691129, 284108621, 695576279, 20171712091]

約数ペア:

[(1, 20171712091), (29, 695576279), (71, 284108621), (179, 112691129), (229, 88086079), (239, 84400469), (2059, 9796849), (5191, 3885901), (6641, 3037451), (6931, 2910361), (12709, 1587199), (16259, 1240649), (16969, 1188739), (40991, 492101), (42781, 471511), (54731, 368561)]