81676412

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 153861120

約数和(自身を除く): 72184708

約数列:

[1, 2, 4, 29, 47, 58, 71, 94, 116, 142, 188, 211, 284, 422, 844, 1363, 2059, 2726, 3337, 4118, 5452, 6119, 6674, 8236, 9917, 12238, 13348, 14981, 19834, 24476, 29962, 39668, 59924, 96773, 193546, 287593, 387092, 434449, 575186, 704107, 868898, 1150372, 1408214, 1737796, 2816428, 20419103, 40838206, 81676412]

約数ペア:

[(1, 81676412), (2, 40838206), (4, 20419103), (29, 2816428), (47, 1737796), (58, 1408214), (71, 1150372), (94, 868898), (116, 704107), (142, 575186), (188, 434449), (211, 387092), (284, 287593), (422, 193546), (844, 96773), (1363, 59924), (2059, 39668), (2726, 29962), (3337, 24476), (4118, 19834), (5452, 14981), (6119, 13348), (6674, 12238), (8236, 9917)]