258567428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 567705600

約数和(自身を除く): 309138172

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 89, 127, 133, 172, 178, 254, 266, 301, 356, 508, 532, 602, 623, 817, 889, 1204, 1246, 1634, 1691, 1778, 2413, 2492, 3268, 3382, 3556, 3827, 4826, 5461, 5719, 6764, 7654, 9652, 10922, 11303, 11438, 11837, 15308, 16891, 21844, 22606, 22876, 23674, 26789, 33782, 38227, 45212, 47348, 53578, 67564, 72713, 76454, 79121, 103759, 107156, 145426, 152908, 158242, 207518, 214757, 290852, 316484, 415036, 429514, 486029, 508991, 726313, 859028, 972058, 1017982, 1452626, 1503299, 1944116, 2035964, 2905252, 3006598, 3402203, 6013196, 6804406, 9234551, 13608812, 18469102, 36938204, 64641857, 129283714, 258567428]

約数ペア:

[(1, 258567428), (2, 129283714), (4, 64641857), (7, 36938204), (14, 18469102), (19, 13608812), (28, 9234551), (38, 6804406), (43, 6013196), (76, 3402203), (86, 3006598), (89, 2905252), (127, 2035964), (133, 1944116), (172, 1503299), (178, 1452626), (254, 1017982), (266, 972058), (301, 859028), (356, 726313), (508, 508991), (532, 486029), (602, 429514), (623, 415036), (817, 316484), (889, 290852), (1204, 214757), (1246, 207518), (1634, 158242), (1691, 152908), (1778, 145426), (2413, 107156), (2492, 103759), (3268, 79121), (3382, 76454), (3556, 72713), (3827, 67564), (4826, 53578), (5461, 47348), (5719, 45212), (6764, 38227), (7654, 33782), (9652, 26789), (10922, 23674), (11303, 22876), (11438, 22606), (11837, 21844), (15308, 16891)]