398900844

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{547}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 1034062848

約数和(自身を除く): 635162004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 431, 547, 564, 846, 862, 1094, 1293, 1641, 1692, 1724, 2188, 2586, 3282, 3879, 4923, 5172, 6564, 7758, 9846, 15516, 19692, 20257, 25709, 40514, 51418, 60771, 77127, 81028, 102836, 121542, 154254, 182313, 231381, 235757, 243084, 308508, 364626, 462762, 471514, 707271, 729252, 925524, 943028, 1414542, 2121813, 2829084, 4243626, 8487252, 11080579, 22161158, 33241737, 44322316, 66483474, 99725211, 132966948, 199450422, 398900844]

約数ペア:

[(1, 398900844), (2, 199450422), (3, 132966948), (4, 99725211), (6, 66483474), (9, 44322316), (12, 33241737), (18, 22161158), (36, 11080579), (47, 8487252), (94, 4243626), (141, 2829084), (188, 2121813), (282, 1414542), (423, 943028), (431, 925524), (547, 729252), (564, 707271), (846, 471514), (862, 462762), (1094, 364626), (1293, 308508), (1641, 243084), (1692, 235757), (1724, 231381), (2188, 182313), (2586, 154254), (3282, 121542), (3879, 102836), (4923, 81028), (5172, 77127), (6564, 60771), (7758, 51418), (9846, 40514), (15516, 25709), (19692, 20257)]