15994888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 37416960

約数和(自身を除く): 21422072

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 127, 173, 182, 254, 346, 364, 508, 692, 728, 889, 1016, 1211, 1384, 1651, 1778, 2249, 2422, 3302, 3556, 4498, 4844, 6604, 7112, 8996, 9688, 11557, 13208, 15743, 17992, 21971, 23114, 31486, 43942, 46228, 62972, 87884, 92456, 125944, 153797, 175768, 285623, 307594, 571246, 615188, 1142492, 1230376, 1999361, 2284984, 3998722, 7997444, 15994888]

約数ペア:

[(1, 15994888), (2, 7997444), (4, 3998722), (7, 2284984), (8, 1999361), (13, 1230376), (14, 1142492), (26, 615188), (28, 571246), (52, 307594), (56, 285623), (91, 175768), (104, 153797), (127, 125944), (173, 92456), (182, 87884), (254, 62972), (346, 46228), (364, 43942), (508, 31486), (692, 23114), (728, 21971), (889, 17992), (1016, 15743), (1211, 13208), (1384, 11557), (1651, 9688), (1778, 8996), (2249, 7112), (2422, 6604), (3302, 4844), (3556, 4498)]