81694984

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76781}}^1$

素因数の和:76813

約数の個数: 32

約数和(自身を含む): 184276800

約数和(自身を除く): 102581816

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 76781, 153562, 307124, 537467, 614248, 1074934, 1458839, 2149868, 2917678, 4299736, 5835356, 10211873, 11670712, 20423746, 40847492, 81694984]

約数ペア:

[(1, 81694984), (2, 40847492), (4, 20423746), (7, 11670712), (8, 10211873), (14, 5835356), (19, 4299736), (28, 2917678), (38, 2149868), (56, 1458839), (76, 1074934), (133, 614248), (152, 537467), (266, 307124), (532, 153562), (1064, 76781)]