405041468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409961}}^1$

素因数の和:409997

約数の個数: 24

約数和(自身を含む): 803525520

約数和(自身を除く): 398484052

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 409961, 819922, 1639844, 5329493, 7789259, 10658986, 15578518, 21317972, 31157036, 101260367, 202520734, 405041468]

約数ペア:

[(1, 405041468), (2, 202520734), (4, 101260367), (13, 31157036), (19, 21317972), (26, 15578518), (38, 10658986), (52, 7789259), (76, 5329493), (247, 1639844), (494, 819922), (988, 409961)]