81834916

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:476

約数の個数: 36

約数和(自身を含む): 150836700

約数和(自身を除く): 69001784

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 349, 698, 961, 1396, 1891, 1922, 3782, 3844, 7564, 10819, 21289, 21638, 42578, 43276, 58621, 85156, 117242, 234484, 335389, 659959, 670778, 1319918, 1341556, 2639836, 20458729, 40917458, 81834916]

約数ペア:

[(1, 81834916), (2, 40917458), (4, 20458729), (31, 2639836), (61, 1341556), (62, 1319918), (122, 670778), (124, 659959), (244, 335389), (349, 234484), (698, 117242), (961, 85156), (1396, 58621), (1891, 43276), (1922, 42578), (3782, 21638), (3844, 21289), (7564, 10819)]