71287308

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 187146960

約数和(自身を除く): 115859652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 109, 111, 148, 218, 222, 327, 333, 436, 444, 491, 654, 666, 981, 982, 1308, 1332, 1473, 1962, 1964, 2946, 3924, 4033, 4419, 5892, 8066, 8838, 12099, 16132, 17676, 18167, 24198, 36297, 36334, 48396, 53519, 54501, 72594, 72668, 107038, 109002, 145188, 160557, 163503, 214076, 218004, 321114, 327006, 481671, 642228, 654012, 963342, 1926684, 1980203, 3960406, 5940609, 7920812, 11881218, 17821827, 23762436, 35643654, 71287308]

約数ペア:

[(1, 71287308), (2, 35643654), (3, 23762436), (4, 17821827), (6, 11881218), (9, 7920812), (12, 5940609), (18, 3960406), (36, 1980203), (37, 1926684), (74, 963342), (109, 654012), (111, 642228), (148, 481671), (218, 327006), (222, 321114), (327, 218004), (333, 214076), (436, 163503), (444, 160557), (491, 145188), (654, 109002), (666, 107038), (981, 72668), (982, 72594), (1308, 54501), (1332, 53519), (1473, 48396), (1962, 36334), (1964, 36297), (2946, 24198), (3924, 18167), (4033, 17676), (4419, 16132), (5892, 12099), (8066, 8838)]