278804556

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23977}}^1$

素因数の和:24023

約数の個数: 72

約数和(自身を含む): 785519280

約数和(自身を除く): 506714724

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1938, 2907, 3876, 5814, 11628, 23977, 47954, 71931, 95908, 143862, 215793, 287724, 407609, 431586, 455563, 815218, 863172, 911126, 1222827, 1366689, 1630436, 1822252, 2445654, 2733378, 3668481, 4100067, 4891308, 5466756, 7336962, 7744571, 8200134, 14673924, 15489142, 16400268, 23233713, 30978284, 46467426, 69701139, 92934852, 139402278, 278804556]

約数ペア:

[(1, 278804556), (2, 139402278), (3, 92934852), (4, 69701139), (6, 46467426), (9, 30978284), (12, 23233713), (17, 16400268), (18, 15489142), (19, 14673924), (34, 8200134), (36, 7744571), (38, 7336962), (51, 5466756), (57, 4891308), (68, 4100067), (76, 3668481), (102, 2733378), (114, 2445654), (153, 1822252), (171, 1630436), (204, 1366689), (228, 1222827), (306, 911126), (323, 863172), (342, 815218), (612, 455563), (646, 431586), (684, 407609), (969, 287724), (1292, 215793), (1938, 143862), (2907, 95908), (3876, 71931), (5814, 47954), (11628, 23977)]