68503136

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 72

約数和(自身を含む): 149415840

約数和(自身を除く): 80912704

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 169, 208, 212, 239, 338, 416, 424, 478, 676, 689, 848, 956, 1352, 1378, 1696, 1912, 2704, 2756, 3107, 3824, 5408, 5512, 6214, 7648, 8957, 11024, 12428, 12667, 17914, 22048, 24856, 25334, 35828, 40391, 49712, 50668, 71656, 80782, 99424, 101336, 143312, 161564, 164671, 202672, 286624, 323128, 329342, 405344, 646256, 658684, 1292512, 1317368, 2140723, 2634736, 4281446, 5269472, 8562892, 17125784, 34251568, 68503136]

約数ペア:

[(1, 68503136), (2, 34251568), (4, 17125784), (8, 8562892), (13, 5269472), (16, 4281446), (26, 2634736), (32, 2140723), (52, 1317368), (53, 1292512), (104, 658684), (106, 646256), (169, 405344), (208, 329342), (212, 323128), (239, 286624), (338, 202672), (416, 164671), (424, 161564), (478, 143312), (676, 101336), (689, 99424), (848, 80782), (956, 71656), (1352, 50668), (1378, 49712), (1696, 40391), (1912, 35828), (2704, 25334), (2756, 24856), (3107, 22048), (3824, 17914), (5408, 12667), (5512, 12428), (6214, 11024), (7648, 8957)]