81351388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{599}}^1\times {\mathrm{1787}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 150192000

約数和(自身を除く): 68840612

約数列:

[1, 2, 4, 19, 38, 76, 599, 1198, 1787, 2396, 3574, 7148, 11381, 22762, 33953, 45524, 67906, 135812, 1070413, 2140826, 4281652, 20337847, 40675694, 81351388]

約数ペア:

[(1, 81351388), (2, 40675694), (4, 20337847), (19, 4281652), (38, 2140826), (76, 1070413), (599, 135812), (1198, 67906), (1787, 45524), (2396, 33953), (3574, 22762), (7148, 11381)]