1221684344

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 2476656000

約数和(自身を除く): 1254971656

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 139, 152, 212, 278, 424, 556, 1007, 1091, 1112, 2014, 2182, 2641, 4028, 4364, 5282, 7367, 8056, 8728, 10564, 14734, 20729, 21128, 29468, 41458, 57823, 58936, 82916, 115646, 139973, 151649, 165832, 231292, 279946, 303298, 462584, 559892, 606596, 1098637, 1119784, 1213192, 2197274, 2881331, 4394548, 5762662, 8037397, 8789096, 11525324, 16074794, 23050648, 32149588, 64299176, 152710543, 305421086, 610842172, 1221684344]

約数ペア:

[(1, 1221684344), (2, 610842172), (4, 305421086), (8, 152710543), (19, 64299176), (38, 32149588), (53, 23050648), (76, 16074794), (106, 11525324), (139, 8789096), (152, 8037397), (212, 5762662), (278, 4394548), (424, 2881331), (556, 2197274), (1007, 1213192), (1091, 1119784), (1112, 1098637), (2014, 606596), (2182, 559892), (2641, 462584), (4028, 303298), (4364, 279946), (5282, 231292), (7367, 165832), (8056, 151649), (8728, 139973), (10564, 115646), (14734, 82916), (20729, 58936), (21128, 57823), (29468, 41458)]