161921298

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7457}}^1$

素因数の和:7527

約数の個数: 64

約数和(自身を含む): 412397568

約数和(自身を除く): 250476270

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 47, 66, 77, 94, 141, 154, 231, 282, 329, 462, 517, 658, 987, 1034, 1551, 1974, 3102, 3619, 7238, 7457, 10857, 14914, 21714, 22371, 44742, 52199, 82027, 104398, 156597, 164054, 246081, 313194, 350479, 492162, 574189, 700958, 1051437, 1148378, 1722567, 2102874, 2453353, 3445134, 3855269, 4906706, 7360059, 7710538, 11565807, 14720118, 23131614, 26986883, 53973766, 80960649, 161921298]

約数ペア:

[(1, 161921298), (2, 80960649), (3, 53973766), (6, 26986883), (7, 23131614), (11, 14720118), (14, 11565807), (21, 7710538), (22, 7360059), (33, 4906706), (42, 3855269), (47, 3445134), (66, 2453353), (77, 2102874), (94, 1722567), (141, 1148378), (154, 1051437), (231, 700958), (282, 574189), (329, 492162), (462, 350479), (517, 313194), (658, 246081), (987, 164054), (1034, 156597), (1551, 104398), (1974, 82027), (3102, 52199), (3619, 44742), (7238, 22371), (7457, 21714), (10857, 14914)]