78247548

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 209955200

約数和(自身を除く): 131707652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 228, 278, 342, 417, 556, 684, 823, 834, 1251, 1646, 1668, 2469, 2502, 2641, 3292, 4938, 5004, 5282, 7407, 7923, 9876, 10564, 14814, 15637, 15846, 23769, 29628, 31274, 31692, 46911, 47538, 62548, 93822, 95076, 114397, 140733, 187644, 228794, 281466, 343191, 457588, 562932, 686382, 1029573, 1372764, 2059146, 2173543, 4118292, 4347086, 6520629, 8694172, 13041258, 19561887, 26082516, 39123774, 78247548]

約数ペア:

[(1, 78247548), (2, 39123774), (3, 26082516), (4, 19561887), (6, 13041258), (9, 8694172), (12, 6520629), (18, 4347086), (19, 4118292), (36, 2173543), (38, 2059146), (57, 1372764), (76, 1029573), (114, 686382), (139, 562932), (171, 457588), (228, 343191), (278, 281466), (342, 228794), (417, 187644), (556, 140733), (684, 114397), (823, 95076), (834, 93822), (1251, 62548), (1646, 47538), (1668, 46911), (2469, 31692), (2502, 31274), (2641, 29628), (3292, 23769), (4938, 15846), (5004, 15637), (5282, 14814), (7407, 10564), (7923, 9876)]