1989898253

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{631}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 2429306880

約数和(自身を除く): 439408627

約数列:

[1, 7, 19, 131, 133, 181, 631, 917, 1267, 2489, 3439, 4417, 11989, 17423, 23711, 24073, 82661, 83923, 114211, 165977, 450509, 578627, 799477, 1570559, 2170009, 3153563, 10993913, 14961641, 15190063, 104731487, 284271179, 1989898253]

約数ペア:

[(1, 1989898253), (7, 284271179), (19, 104731487), (131, 15190063), (133, 14961641), (181, 10993913), (631, 3153563), (917, 2170009), (1267, 1570559), (2489, 799477), (3439, 578627), (4417, 450509), (11989, 165977), (17423, 114211), (23711, 83923), (24073, 82661)]