128205364

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 279667080

約数和(自身を除く): 151461716

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 109, 119, 196, 218, 238, 353, 436, 476, 706, 763, 833, 1412, 1526, 1666, 1853, 2471, 3052, 3332, 3706, 4942, 5341, 6001, 7412, 9884, 10682, 12002, 12971, 17297, 21364, 24004, 25942, 34594, 38477, 42007, 51884, 69188, 76954, 84014, 90797, 153908, 168028, 181594, 269339, 294049, 363188, 538678, 588098, 654109, 1077356, 1176196, 1308218, 1885373, 2616436, 3770746, 4578763, 7541492, 9157526, 18315052, 32051341, 64102682, 128205364]

約数ペア:

[(1, 128205364), (2, 64102682), (4, 32051341), (7, 18315052), (14, 9157526), (17, 7541492), (28, 4578763), (34, 3770746), (49, 2616436), (68, 1885373), (98, 1308218), (109, 1176196), (119, 1077356), (196, 654109), (218, 588098), (238, 538678), (353, 363188), (436, 294049), (476, 269339), (706, 181594), (763, 168028), (833, 153908), (1412, 90797), (1526, 84014), (1666, 76954), (1853, 69188), (2471, 51884), (3052, 42007), (3332, 38477), (3706, 34594), (4942, 25942), (5341, 24004), (6001, 21364), (7412, 17297), (9884, 12971), (10682, 12002)]