81664776

素因数分解:

$2^3\times 3^2\times {\mathrm{419}}^1\times {\mathrm{2707}}^1$

素因数の和:3138

約数の個数: 48

約数和(自身を含む): 221785200

約数和(自身を除く): 140120424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 419, 838, 1257, 1676, 2514, 2707, 3352, 3771, 5028, 5414, 7542, 8121, 10056, 10828, 15084, 16242, 21656, 24363, 30168, 32484, 48726, 64968, 97452, 194904, 1134233, 2268466, 3402699, 4536932, 6805398, 9073864, 10208097, 13610796, 20416194, 27221592, 40832388, 81664776]

約数ペア:

[(1, 81664776), (2, 40832388), (3, 27221592), (4, 20416194), (6, 13610796), (8, 10208097), (9, 9073864), (12, 6805398), (18, 4536932), (24, 3402699), (36, 2268466), (72, 1134233), (419, 194904), (838, 97452), (1257, 64968), (1676, 48726), (2514, 32484), (2707, 30168), (3352, 24363), (3771, 21656), (5028, 16242), (5414, 15084), (7542, 10828), (8121, 10056)]