287240556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 727372800

約数和(自身を除く): 440132244

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 59, 76, 114, 118, 131, 163, 177, 228, 236, 262, 326, 354, 393, 489, 524, 652, 708, 786, 978, 1121, 1572, 1956, 2242, 2489, 3097, 3363, 4484, 4978, 6194, 6726, 7467, 7729, 9291, 9617, 9956, 12388, 13452, 14934, 15458, 18582, 19234, 21353, 23187, 28851, 29868, 30916, 37164, 38468, 42706, 46374, 57702, 64059, 85412, 92748, 115404, 128118, 146851, 182723, 256236, 293702, 365446, 405707, 440553, 548169, 587404, 730892, 811414, 881106, 1096338, 1217121, 1259827, 1622828, 1762212, 2192676, 2434242, 2519654, 3779481, 4868484, 5039308, 7558962, 15117924, 23936713, 47873426, 71810139, 95746852, 143620278, 287240556]

約数ペア:

[(1, 287240556), (2, 143620278), (3, 95746852), (4, 71810139), (6, 47873426), (12, 23936713), (19, 15117924), (38, 7558962), (57, 5039308), (59, 4868484), (76, 3779481), (114, 2519654), (118, 2434242), (131, 2192676), (163, 1762212), (177, 1622828), (228, 1259827), (236, 1217121), (262, 1096338), (326, 881106), (354, 811414), (393, 730892), (489, 587404), (524, 548169), (652, 440553), (708, 405707), (786, 365446), (978, 293702), (1121, 256236), (1572, 182723), (1956, 146851), (2242, 128118), (2489, 115404), (3097, 92748), (3363, 85412), (4484, 64059), (4978, 57702), (6194, 46374), (6726, 42706), (7467, 38468), (7729, 37164), (9291, 30916), (9617, 29868), (9956, 28851), (12388, 23187), (13452, 21353), (14934, 19234), (15458, 18582)]