199995406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{404849}}^1$

素因数の和:404883

約数の個数: 16

約数和(自身を含む): 340074000

約数和(自身を除く): 140078594

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 404849, 809698, 5263037, 7692131, 10526074, 15384262, 99997703, 199995406]

約数ペア:

[(1, 199995406), (2, 99997703), (13, 15384262), (19, 10526074), (26, 7692131), (38, 5263037), (247, 809698), (494, 404849)]