28108116

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 75216960

約数和(自身を除く): 47108844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 83, 92, 138, 166, 207, 249, 276, 332, 409, 414, 498, 747, 818, 828, 996, 1227, 1494, 1636, 1909, 2454, 2988, 3681, 3818, 4908, 5727, 7362, 7636, 9407, 11454, 14724, 17181, 18814, 22908, 28221, 33947, 34362, 37628, 56442, 67894, 68724, 84663, 101841, 112884, 135788, 169326, 203682, 305523, 338652, 407364, 611046, 780781, 1222092, 1561562, 2342343, 3123124, 4684686, 7027029, 9369372, 14054058, 28108116]

約数ペア:

[(1, 28108116), (2, 14054058), (3, 9369372), (4, 7027029), (6, 4684686), (9, 3123124), (12, 2342343), (18, 1561562), (23, 1222092), (36, 780781), (46, 611046), (69, 407364), (83, 338652), (92, 305523), (138, 203682), (166, 169326), (207, 135788), (249, 112884), (276, 101841), (332, 84663), (409, 68724), (414, 67894), (498, 56442), (747, 37628), (818, 34362), (828, 33947), (996, 28221), (1227, 22908), (1494, 18814), (1636, 17181), (1909, 14724), (2454, 11454), (2988, 9407), (3681, 7636), (3818, 7362), (4908, 5727)]