81845784

素因数分解:

$2^3\times 3^2\times {\mathrm{419}}^1\times {\mathrm{2713}}^1$

素因数の和:3144

約数の個数: 48

約数和(自身を含む): 222276600

約数和(自身を除く): 140430816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 419, 838, 1257, 1676, 2514, 2713, 3352, 3771, 5028, 5426, 7542, 8139, 10056, 10852, 15084, 16278, 21704, 24417, 30168, 32556, 48834, 65112, 97668, 195336, 1136747, 2273494, 3410241, 4546988, 6820482, 9093976, 10230723, 13640964, 20461446, 27281928, 40922892, 81845784]

約数ペア:

[(1, 81845784), (2, 40922892), (3, 27281928), (4, 20461446), (6, 13640964), (8, 10230723), (9, 9093976), (12, 6820482), (18, 4546988), (24, 3410241), (36, 2273494), (72, 1136747), (419, 195336), (838, 97668), (1257, 65112), (1676, 48834), (2514, 32556), (2713, 30168), (3352, 24417), (3771, 21704), (5028, 16278), (5426, 15084), (7542, 10852), (8139, 10056)]