274863743

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 351644160

約数和(自身を除く): 76780417

約数列:

[1, 7, 11, 61, 77, 139, 421, 427, 671, 973, 1529, 2947, 4631, 4697, 8479, 10703, 25681, 32417, 58519, 59353, 93269, 179767, 282491, 409633, 643709, 652883, 1977437, 3569659, 4505963, 24987613, 39266249, 274863743]

約数ペア:

[(1, 274863743), (7, 39266249), (11, 24987613), (61, 4505963), (77, 3569659), (139, 1977437), (421, 652883), (427, 643709), (671, 409633), (973, 282491), (1529, 179767), (2947, 93269), (4631, 59353), (4697, 58519), (8479, 32417), (10703, 25681)]