256030814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12641}}^1$

素因数の和:12716

約数の個数: 32

約数和(自身を含む): 446009760

約数和(自身を除く): 189978946

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 247, 494, 533, 779, 1066, 1558, 10127, 12641, 20254, 25282, 164333, 240179, 328666, 480358, 518281, 1036562, 3122327, 6244654, 6737653, 9847339, 13475306, 19694678, 128015407, 256030814]

約数ペア:

[(1, 256030814), (2, 128015407), (13, 19694678), (19, 13475306), (26, 9847339), (38, 6737653), (41, 6244654), (82, 3122327), (247, 1036562), (494, 518281), (533, 480358), (779, 328666), (1066, 240179), (1558, 164333), (10127, 25282), (12641, 20254)]