258356556

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 705729024

約数和(自身を除く): 447372468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 47, 53, 67, 86, 94, 106, 129, 134, 141, 159, 172, 188, 201, 212, 258, 268, 282, 318, 387, 402, 423, 477, 516, 564, 603, 636, 774, 804, 846, 954, 1206, 1548, 1692, 1908, 2021, 2279, 2412, 2491, 2881, 3149, 3551, 4042, 4558, 4982, 5762, 6063, 6298, 6837, 7102, 7473, 8084, 8643, 9116, 9447, 9964, 10653, 11524, 12126, 12596, 13674, 14204, 14946, 17286, 18189, 18894, 20511, 21306, 22419, 24252, 25929, 27348, 28341, 29892, 31959, 34572, 36378, 37788, 41022, 42612, 44838, 51858, 56682, 63918, 72756, 82044, 89676, 103716, 107113, 113364, 127836, 135407, 152693, 166897, 214226, 270814, 305386, 321339, 333794, 406221, 428452, 458079, 500691, 541628, 610772, 642678, 667588, 812442, 916158, 964017, 1001382, 1218663, 1285356, 1374237, 1502073, 1624884, 1832316, 1928034, 2002764, 2437326, 2748474, 3004146, 3856068, 4874652, 5496948, 6008292, 7176571, 14353142, 21529713, 28706284, 43059426, 64589139, 86118852, 129178278, 258356556]

約数ペア:

[(1, 258356556), (2, 129178278), (3, 86118852), (4, 64589139), (6, 43059426), (9, 28706284), (12, 21529713), (18, 14353142), (36, 7176571), (43, 6008292), (47, 5496948), (53, 4874652), (67, 3856068), (86, 3004146), (94, 2748474), (106, 2437326), (129, 2002764), (134, 1928034), (141, 1832316), (159, 1624884), (172, 1502073), (188, 1374237), (201, 1285356), (212, 1218663), (258, 1001382), (268, 964017), (282, 916158), (318, 812442), (387, 667588), (402, 642678), (423, 610772), (477, 541628), (516, 500691), (564, 458079), (603, 428452), (636, 406221), (774, 333794), (804, 321339), (846, 305386), (954, 270814), (1206, 214226), (1548, 166897), (1692, 152693), (1908, 135407), (2021, 127836), (2279, 113364), (2412, 107113), (2491, 103716), (2881, 89676), (3149, 82044), (3551, 72756), (4042, 63918), (4558, 56682), (4982, 51858), (5762, 44838), (6063, 42612), (6298, 41022), (6837, 37788), (7102, 36378), (7473, 34572), (8084, 31959), (8643, 29892), (9116, 28341), (9447, 27348), (9964, 25929), (10653, 24252), (11524, 22419), (12126, 21306), (12596, 20511), (13674, 18894), (14204, 18189), (14946, 17286)]