312651581

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 377118720

約数和(自身を除く): 64467139

約数列:

[1, 11, 23, 29, 43, 253, 319, 473, 667, 989, 991, 1247, 7337, 10879, 10901, 13717, 22793, 28681, 28739, 42613, 250723, 315491, 316129, 468743, 660997, 980099, 1235777, 7270967, 10781089, 13593547, 28422871, 312651581]

約数ペア:

[(1, 312651581), (11, 28422871), (23, 13593547), (29, 10781089), (43, 7270967), (253, 1235777), (319, 980099), (473, 660997), (667, 468743), (989, 316129), (991, 315491), (1247, 250723), (7337, 42613), (10879, 28739), (10901, 28681), (13717, 22793)]