27720385046

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{463}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 45092782080

約数和(自身を除く): 17372397034

約数列:

[1, 2, 19, 38, 73, 113, 146, 191, 226, 382, 463, 926, 1387, 2147, 2774, 3629, 4294, 7258, 8249, 8797, 13943, 16498, 17594, 21583, 27886, 33799, 43166, 52319, 67598, 88433, 104638, 156731, 176866, 264917, 313462, 410077, 529834, 642181, 820154, 994061, 1284362, 1575559, 1680227, 1988122, 3151118, 3360454, 3819287, 6455609, 7638574, 9992929, 12911218, 19985858, 29935621, 59871242, 72566453, 122656571, 145132906, 189865651, 245313142, 379731302, 729483817, 1458967634, 13860192523, 27720385046]

約数ペア:

[(1, 27720385046), (2, 13860192523), (19, 1458967634), (38, 729483817), (73, 379731302), (113, 245313142), (146, 189865651), (191, 145132906), (226, 122656571), (382, 72566453), (463, 59871242), (926, 29935621), (1387, 19985858), (2147, 12911218), (2774, 9992929), (3629, 7638574), (4294, 6455609), (7258, 3819287), (8249, 3360454), (8797, 3151118), (13943, 1988122), (16498, 1680227), (17594, 1575559), (21583, 1284362), (27886, 994061), (33799, 820154), (43166, 642181), (52319, 529834), (67598, 410077), (88433, 313462), (104638, 264917), (156731, 176866)]