81412492

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{769}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 172480000

約数和(自身を除く): 91067508

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 199, 266, 398, 532, 769, 796, 1393, 1538, 2786, 3076, 3781, 5383, 5572, 7562, 10766, 14611, 15124, 21532, 26467, 29222, 52934, 58444, 102277, 105868, 153031, 204554, 306062, 409108, 612124, 1071217, 2142434, 2907589, 4284868, 5815178, 11630356, 20353123, 40706246, 81412492]

約数ペア:

[(1, 81412492), (2, 40706246), (4, 20353123), (7, 11630356), (14, 5815178), (19, 4284868), (28, 2907589), (38, 2142434), (76, 1071217), (133, 612124), (199, 409108), (266, 306062), (398, 204554), (532, 153031), (769, 105868), (796, 102277), (1393, 58444), (1538, 52934), (2786, 29222), (3076, 26467), (3781, 21532), (5383, 15124), (5572, 14611), (7562, 10766)]