81193892.000000000

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{279121}}^1$

素因数の和:279140

約数の個数: 48

約数和(自身を含む): 435430320

約数和(自身を除く): 294753336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 279121, 558242, 837363, 1116484, 1674726, 1953847, 2232968, 2512089, 3349452, 3907694, 5024178, 5861541, 6698904, 7815388, 10048356, 11723082, 15630776, 17584623, 20096712, 23446164, 35169246, 46892328, 70338492, 140676984]

約数ペア:

[(1, 140676984), (2, 70338492), (3, 46892328), (4, 35169246), (6, 23446164), (7, 20096712), (8, 17584623), (9, 15630776), (12, 11723082), (14, 10048356), (18, 7815388), (21, 6698904), (24, 5861541), (28, 5024178), (36, 3907694), (42, 3349452), (56, 2512089), (63, 2232968), (72, 1953847), (84, 1674726), (126, 1116484), (168, 837363), (252, 558242), (504, 279121)]