72291947

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1153}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 91230624

約数和(自身を除く): 18938677

約数列:

[1, 7, 13, 53, 91, 169, 371, 689, 1153, 1183, 4823, 8071, 8957, 14989, 61109, 62699, 104923, 194857, 427763, 794417, 1363999, 5560919, 10327421, 72291947]

約数ペア:

[(1, 72291947), (7, 10327421), (13, 5560919), (53, 1363999), (91, 794417), (169, 427763), (371, 194857), (689, 104923), (1153, 62699), (1183, 61109), (4823, 14989), (8071, 8957)]