13151615584

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{647}}^1\times {\mathrm{661}}^1$

素因数の和:1380

約数の個数: 72

約数和(自身を含む): 26836309584

約数和(自身を除く): 13684694000

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 647, 661, 961, 992, 1294, 1322, 1922, 2588, 2644, 3844, 5176, 5288, 7688, 10352, 10576, 15376, 20057, 20491, 20704, 21152, 30752, 40114, 40982, 80228, 81964, 160456, 163928, 320912, 327856, 427667, 621767, 635221, 641824, 655712, 855334, 1243534, 1270442, 1710668, 2487068, 2540884, 3421336, 4974136, 5081768, 6842672, 9948272, 10163536, 13257677, 13685344, 19896544, 20327072, 26515354, 53030708, 106061416, 212122832, 410987987, 424245664, 821975974, 1643951948, 3287903896, 6575807792, 13151615584]

約数ペア:

[(1, 13151615584), (2, 6575807792), (4, 3287903896), (8, 1643951948), (16, 821975974), (31, 424245664), (32, 410987987), (62, 212122832), (124, 106061416), (248, 53030708), (496, 26515354), (647, 20327072), (661, 19896544), (961, 13685344), (992, 13257677), (1294, 10163536), (1322, 9948272), (1922, 6842672), (2588, 5081768), (2644, 4974136), (3844, 3421336), (5176, 2540884), (5288, 2487068), (7688, 1710668), (10352, 1270442), (10576, 1243534), (15376, 855334), (20057, 655712), (20491, 641824), (20704, 635221), (21152, 621767), (30752, 427667), (40114, 327856), (40982, 320912), (80228, 163928), (81964, 160456)]