4991004

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 13300000

約数和(自身を除く): 8308996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1249, 1332, 1998, 2498, 3747, 3996, 4996, 7494, 11241, 14988, 22482, 33723, 44964, 46213, 67446, 92426, 134892, 138639, 184852, 277278, 415917, 554556, 831834, 1247751, 1663668, 2495502, 4991004]

約数ペア:

[(1, 4991004), (2, 2495502), (3, 1663668), (4, 1247751), (6, 831834), (9, 554556), (12, 415917), (18, 277278), (27, 184852), (36, 138639), (37, 134892), (54, 92426), (74, 67446), (108, 46213), (111, 44964), (148, 33723), (222, 22482), (333, 14988), (444, 11241), (666, 7494), (999, 4996), (1249, 3996), (1332, 3747), (1998, 2498)]