1997510141

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 2358706176

約数和(自身を除く): 361196035

約数列:

[1, 11, 23, 31, 253, 257, 341, 713, 991, 2827, 5911, 7843, 7967, 10901, 22793, 30721, 65021, 87637, 183241, 250723, 254687, 337931, 706583, 2015651, 2801557, 5857801, 7772413, 7895297, 64435811, 86848267, 181591831, 1997510141]

約数ペア:

[(1, 1997510141), (11, 181591831), (23, 86848267), (31, 64435811), (253, 7895297), (257, 7772413), (341, 5857801), (713, 2801557), (991, 2015651), (2827, 706583), (5911, 337931), (7843, 254687), (7967, 250723), (10901, 183241), (22793, 87637), (30721, 65021)]