1640383878

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{97}}^2\times {\mathrm{593}}^1$

素因数の和:806

約数の個数: 72

約数和(自身を含む): 3862656072

約数和(自身を除く): 2222272194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 97, 98, 147, 194, 291, 294, 582, 593, 679, 1186, 1358, 1779, 2037, 3558, 4074, 4151, 4753, 8302, 9409, 9506, 12453, 14259, 18818, 24906, 28227, 28518, 29057, 56454, 57521, 58114, 65863, 87171, 115042, 131726, 172563, 174342, 197589, 345126, 395178, 402647, 461041, 805294, 922082, 1207941, 1383123, 2415882, 2766246, 2818529, 5579537, 5637058, 8455587, 11159074, 16738611, 16911174, 33477222, 39056759, 78113518, 117170277, 234340554, 273397313, 546794626, 820191939, 1640383878]

約数ペア:

[(1, 1640383878), (2, 820191939), (3, 546794626), (6, 273397313), (7, 234340554), (14, 117170277), (21, 78113518), (42, 39056759), (49, 33477222), (97, 16911174), (98, 16738611), (147, 11159074), (194, 8455587), (291, 5637058), (294, 5579537), (582, 2818529), (593, 2766246), (679, 2415882), (1186, 1383123), (1358, 1207941), (1779, 922082), (2037, 805294), (3558, 461041), (4074, 402647), (4151, 395178), (4753, 345126), (8302, 197589), (9409, 174342), (9506, 172563), (12453, 131726), (14259, 115042), (18818, 87171), (24906, 65863), (28227, 58114), (28518, 57521), (29057, 56454)]