17778819894

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{51973}}^1$

素因数の和:52133

約数の個数: 64

約数和(自身を含む): 39876115968

約数和(自身を除く): 22097296074

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 73, 142, 146, 213, 219, 426, 438, 781, 803, 1562, 1606, 2343, 2409, 4686, 4818, 5183, 10366, 15549, 31098, 51973, 57013, 103946, 114026, 155919, 171039, 311838, 342078, 571703, 1143406, 1715109, 3430218, 3690083, 3794029, 7380166, 7588058, 11070249, 11382087, 22140498, 22764174, 40590913, 41734319, 81181826, 83468638, 121772739, 125202957, 243545478, 250405914, 269376059, 538752118, 808128177, 1616256354, 2963136649, 5926273298, 8889409947, 17778819894]

約数ペア:

[(1, 17778819894), (2, 8889409947), (3, 5926273298), (6, 2963136649), (11, 1616256354), (22, 808128177), (33, 538752118), (66, 269376059), (71, 250405914), (73, 243545478), (142, 125202957), (146, 121772739), (213, 83468638), (219, 81181826), (426, 41734319), (438, 40590913), (781, 22764174), (803, 22140498), (1562, 11382087), (1606, 11070249), (2343, 7588058), (2409, 7380166), (4686, 3794029), (4818, 3690083), (5183, 3430218), (10366, 1715109), (15549, 1143406), (31098, 571703), (51973, 342078), (57013, 311838), (103946, 171039), (114026, 155919)]