68861416

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 147192390

約数和(自身を除く): 78330974

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 53, 62, 104, 106, 124, 169, 212, 248, 338, 403, 424, 676, 689, 806, 961, 1352, 1378, 1612, 1643, 1922, 2756, 3224, 3286, 3844, 5239, 5512, 6572, 7688, 8957, 10478, 12493, 13144, 17914, 20956, 21359, 24986, 35828, 41912, 42718, 49972, 50933, 71656, 85436, 99944, 101866, 162409, 170872, 203732, 277667, 324818, 407464, 555334, 649636, 662129, 1110668, 1299272, 1324258, 2221336, 2648516, 5297032, 8607677, 17215354, 34430708, 68861416]

約数ペア:

[(1, 68861416), (2, 34430708), (4, 17215354), (8, 8607677), (13, 5297032), (26, 2648516), (31, 2221336), (52, 1324258), (53, 1299272), (62, 1110668), (104, 662129), (106, 649636), (124, 555334), (169, 407464), (212, 324818), (248, 277667), (338, 203732), (403, 170872), (424, 162409), (676, 101866), (689, 99944), (806, 85436), (961, 71656), (1352, 50933), (1378, 49972), (1612, 42718), (1643, 41912), (1922, 35828), (2756, 24986), (3224, 21359), (3286, 20956), (3844, 17914), (5239, 13144), (5512, 12493), (6572, 10478), (7688, 8957)]