201991215457

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7834279}}^1$

素因数の和:7834380

約数の個数: 16

約数和(自身を含む): 225627264000

約数和(自身を除く): 23636048543

約数列:

[1, 19, 23, 59, 437, 1121, 1357, 25783, 7834279, 148851301, 180188417, 462222461, 3423579923, 8782226759, 10631116603, 201991215457]

約数ペア:

[(1, 201991215457), (19, 10631116603), (23, 8782226759), (59, 3423579923), (437, 462222461), (1121, 180188417), (1357, 148851301), (25783, 7834279)]