2161567148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1\times {\mathrm{3121}}^1$

素因数の和:3858

約数の個数: 48

約数和(自身を含む): 4295622240

約数和(自身を除く): 2134055092

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 701, 988, 1402, 2804, 3121, 6242, 9113, 12484, 13319, 18226, 26638, 36452, 40573, 53276, 59299, 81146, 118598, 162292, 173147, 237196, 346294, 692588, 770887, 1541774, 2187821, 3083548, 4375642, 8751284, 28441673, 41568599, 56883346, 83137198, 113766692, 166274396, 540391787, 1080783574, 2161567148]

約数ペア:

[(1, 2161567148), (2, 1080783574), (4, 540391787), (13, 166274396), (19, 113766692), (26, 83137198), (38, 56883346), (52, 41568599), (76, 28441673), (247, 8751284), (494, 4375642), (701, 3083548), (988, 2187821), (1402, 1541774), (2804, 770887), (3121, 692588), (6242, 346294), (9113, 237196), (12484, 173147), (13319, 162292), (18226, 118598), (26638, 81146), (36452, 59299), (40573, 53276)]