68911388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 154145376

約数和(自身を除く): 85233988

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 197, 217, 364, 394, 403, 434, 788, 806, 868, 961, 1379, 1612, 1922, 2561, 2758, 2821, 3844, 5122, 5516, 5642, 6107, 6727, 10244, 11284, 12214, 12493, 13454, 17927, 24428, 24986, 26908, 35854, 42749, 49972, 71708, 79391, 85498, 87451, 158782, 170996, 174902, 189317, 317564, 349804, 378634, 555737, 757268, 1111474, 1325219, 2222948, 2461121, 2650438, 4922242, 5300876, 9844484, 17227847, 34455694, 68911388]

約数ペア:

[(1, 68911388), (2, 34455694), (4, 17227847), (7, 9844484), (13, 5300876), (14, 4922242), (26, 2650438), (28, 2461121), (31, 2222948), (52, 1325219), (62, 1111474), (91, 757268), (124, 555737), (182, 378634), (197, 349804), (217, 317564), (364, 189317), (394, 174902), (403, 170996), (434, 158782), (788, 87451), (806, 85498), (868, 79391), (961, 71708), (1379, 49972), (1612, 42749), (1922, 35854), (2561, 26908), (2758, 24986), (2821, 24428), (3844, 17927), (5122, 13454), (5516, 12493), (5642, 12214), (6107, 11284), (6727, 10244)]