28540722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 70170624

約数和(自身を除く): 41629902

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 71, 102, 119, 142, 213, 238, 357, 426, 497, 563, 714, 994, 1126, 1207, 1491, 1689, 2414, 2982, 3378, 3621, 3941, 7242, 7882, 8449, 9571, 11823, 16898, 19142, 23646, 25347, 28713, 39973, 50694, 57426, 66997, 79946, 119919, 133994, 200991, 239838, 279811, 401982, 559622, 679541, 839433, 1359082, 1678866, 2038623, 4077246, 4756787, 9513574, 14270361, 28540722]

約数ペア:

[(1, 28540722), (2, 14270361), (3, 9513574), (6, 4756787), (7, 4077246), (14, 2038623), (17, 1678866), (21, 1359082), (34, 839433), (42, 679541), (51, 559622), (71, 401982), (102, 279811), (119, 239838), (142, 200991), (213, 133994), (238, 119919), (357, 79946), (426, 66997), (497, 57426), (563, 50694), (714, 39973), (994, 28713), (1126, 25347), (1207, 23646), (1491, 19142), (1689, 16898), (2414, 11823), (2982, 9571), (3378, 8449), (3621, 7882), (3941, 7242)]