991849742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{42719}}^1$

素因数の和:42800

約数の個数: 32

約数和(自身を含む): 1722470400

約数和(自身を除く): 730620658

約数列:

[1, 2, 13, 19, 26, 38, 47, 94, 247, 494, 611, 893, 1222, 1786, 11609, 23218, 42719, 85438, 555347, 811661, 1110694, 1623322, 2007793, 4015586, 10551593, 21103186, 26101309, 38148067, 52202618, 76296134, 495924871, 991849742]

約数ペア:

[(1, 991849742), (2, 495924871), (13, 76296134), (19, 52202618), (26, 38148067), (38, 26101309), (47, 21103186), (94, 10551593), (247, 4015586), (494, 2007793), (611, 1623322), (893, 1110694), (1222, 811661), (1786, 555347), (11609, 85438), (23218, 42719)]