691050464

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2411}}^1$

素因数の和:2500

約数の個数: 72

約数和(自身を含む): 1501629192

約数和(自身を除く): 810578728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 169, 208, 212, 338, 416, 424, 676, 689, 848, 1352, 1378, 1696, 2411, 2704, 2756, 4822, 5408, 5512, 8957, 9644, 11024, 17914, 19288, 22048, 31343, 35828, 38576, 62686, 71656, 77152, 125372, 127783, 143312, 250744, 255566, 286624, 407459, 501488, 511132, 814918, 1002976, 1022264, 1629836, 1661179, 2044528, 3259672, 3322358, 4089056, 6519344, 6644716, 13038688, 13289432, 21595327, 26578864, 43190654, 53157728, 86381308, 172762616, 345525232, 691050464]

約数ペア:

[(1, 691050464), (2, 345525232), (4, 172762616), (8, 86381308), (13, 53157728), (16, 43190654), (26, 26578864), (32, 21595327), (52, 13289432), (53, 13038688), (104, 6644716), (106, 6519344), (169, 4089056), (208, 3322358), (212, 3259672), (338, 2044528), (416, 1661179), (424, 1629836), (676, 1022264), (689, 1002976), (848, 814918), (1352, 511132), (1378, 501488), (1696, 407459), (2411, 286624), (2704, 255566), (2756, 250744), (4822, 143312), (5408, 127783), (5512, 125372), (8957, 77152), (9644, 71656), (11024, 62686), (17914, 38576), (19288, 35828), (22048, 31343)]