81137924

素因数分解:

$2^2\times 7^2\times {\mathrm{503}}^1\times {\mathrm{823}}^1$

素因数の和:1344

約数の個数: 36

約数和(自身を含む): 165703104

約数和(自身を除く): 84565180

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 503, 823, 1006, 1646, 2012, 3292, 3521, 5761, 7042, 11522, 14084, 23044, 24647, 40327, 49294, 80654, 98588, 161308, 413969, 827938, 1655876, 2897783, 5795566, 11591132, 20284481, 40568962, 81137924]

約数ペア:

[(1, 81137924), (2, 40568962), (4, 20284481), (7, 11591132), (14, 5795566), (28, 2897783), (49, 1655876), (98, 827938), (196, 413969), (503, 161308), (823, 98588), (1006, 80654), (1646, 49294), (2012, 40327), (3292, 24647), (3521, 23044), (5761, 14084), (7042, 11522)]