8540394772

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{442691}}^1$

素因数の和:442768

約数の個数: 48

約数和(自身を含む): 18741808512

約数和(自身を除く): 10201413740

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 2756, 4823, 9646, 19292, 442691, 885382, 1770764, 3098837, 5754983, 6197674, 11509966, 12395348, 23019932, 23462623, 40284881, 46925246, 80569762, 93850492, 161139524, 164238361, 305014099, 328476722, 610028198, 656953444, 1220056396, 2135098693, 4270197386, 8540394772]

約数ペア:

[(1, 8540394772), (2, 4270197386), (4, 2135098693), (7, 1220056396), (13, 656953444), (14, 610028198), (26, 328476722), (28, 305014099), (52, 164238361), (53, 161139524), (91, 93850492), (106, 80569762), (182, 46925246), (212, 40284881), (364, 23462623), (371, 23019932), (689, 12395348), (742, 11509966), (1378, 6197674), (1484, 5754983), (2756, 3098837), (4823, 1770764), (9646, 885382), (19292, 442691)]