68197948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 158505984

約数和(自身を除く): 90308036

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 103, 107, 119, 182, 206, 214, 221, 238, 364, 412, 428, 442, 476, 721, 749, 884, 1339, 1391, 1442, 1498, 1547, 1751, 1819, 2678, 2782, 2884, 2996, 3094, 3502, 3638, 5356, 5564, 6188, 7004, 7276, 9373, 9737, 11021, 12257, 12733, 18746, 19474, 22042, 22763, 23647, 24514, 25466, 37492, 38948, 44084, 45526, 47294, 49028, 50932, 77147, 91052, 94588, 143273, 154294, 159341, 165529, 187357, 286546, 308588, 318682, 331058, 374714, 573092, 637364, 662116, 749428, 1002911, 1311499, 2005822, 2435641, 2622998, 4011644, 4871282, 5245996, 9742564, 17049487, 34098974, 68197948]

約数ペア:

[(1, 68197948), (2, 34098974), (4, 17049487), (7, 9742564), (13, 5245996), (14, 4871282), (17, 4011644), (26, 2622998), (28, 2435641), (34, 2005822), (52, 1311499), (68, 1002911), (91, 749428), (103, 662116), (107, 637364), (119, 573092), (182, 374714), (206, 331058), (214, 318682), (221, 308588), (238, 286546), (364, 187357), (412, 165529), (428, 159341), (442, 154294), (476, 143273), (721, 94588), (749, 91052), (884, 77147), (1339, 50932), (1391, 49028), (1442, 47294), (1498, 45526), (1547, 44084), (1751, 38948), (1819, 37492), (2678, 25466), (2782, 24514), (2884, 23647), (2996, 22763), (3094, 22042), (3502, 19474), (3638, 18746), (5356, 12733), (5564, 12257), (6188, 11021), (7004, 9737), (7276, 9373)]