128433776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 274982400

約数和(自身を除く): 146548624

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 79, 86, 136, 139, 158, 172, 272, 278, 316, 344, 556, 632, 688, 731, 1112, 1264, 1343, 1462, 2224, 2363, 2686, 2924, 3397, 4726, 5372, 5848, 5977, 6794, 9452, 10744, 10981, 11696, 11954, 13588, 18904, 21488, 21962, 23908, 27176, 37808, 43924, 47816, 54352, 57749, 87848, 95632, 101609, 115498, 175696, 186677, 203218, 230996, 373354, 406436, 461992, 472183, 746708, 812872, 923984, 944366, 1493416, 1625744, 1888732, 2986832, 3777464, 7554928, 8027111, 16054222, 32108444, 64216888, 128433776]

約数ペア:

[(1, 128433776), (2, 64216888), (4, 32108444), (8, 16054222), (16, 8027111), (17, 7554928), (34, 3777464), (43, 2986832), (68, 1888732), (79, 1625744), (86, 1493416), (136, 944366), (139, 923984), (158, 812872), (172, 746708), (272, 472183), (278, 461992), (316, 406436), (344, 373354), (556, 230996), (632, 203218), (688, 186677), (731, 175696), (1112, 115498), (1264, 101609), (1343, 95632), (1462, 87848), (2224, 57749), (2363, 54352), (2686, 47816), (2924, 43924), (3397, 37808), (4726, 27176), (5372, 23908), (5848, 21962), (5977, 21488), (6794, 18904), (9452, 13588), (10744, 11954), (10981, 11696)]