649465952

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{1291}}^1$

素因数の和:1579

約数の個数: 48

約数和(自身を含む): 1302336000

約数和(自身を除く): 652870048

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 199, 316, 398, 632, 796, 1264, 1291, 1592, 2528, 2582, 3184, 5164, 6368, 10328, 15721, 20656, 31442, 41312, 62884, 101989, 125768, 203978, 251536, 256909, 407956, 503072, 513818, 815912, 1027636, 1631824, 2055272, 3263648, 4110544, 8221088, 20295811, 40591622, 81183244, 162366488, 324732976, 649465952]

約数ペア:

[(1, 649465952), (2, 324732976), (4, 162366488), (8, 81183244), (16, 40591622), (32, 20295811), (79, 8221088), (158, 4110544), (199, 3263648), (316, 2055272), (398, 1631824), (632, 1027636), (796, 815912), (1264, 513818), (1291, 503072), (1592, 407956), (2528, 256909), (2582, 251536), (3184, 203978), (5164, 125768), (6368, 101989), (10328, 62884), (15721, 41312), (20656, 31442)]