1260402787

素因数分解:

$7^1\times {\mathrm{257}}^1\times {\mathrm{641}}^1\times {\mathrm{1093}}^1$

素因数の和:1998

約数の個数: 16

約数和(自身を含む): 1449646272

約数和(自身を除く): 189243485

約数列:

[1, 7, 257, 641, 1093, 1799, 4487, 7651, 164737, 280901, 700613, 1153159, 1966307, 4904291, 180057541, 1260402787]

約数ペア:

[(1, 1260402787), (7, 180057541), (257, 4904291), (641, 1966307), (1093, 1153159), (1799, 700613), (4487, 280901), (7651, 164737)]