64216888

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 68839112

約数列:

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

約数ペア:

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