231986678

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 449971200

約数和(自身を除く): 217984522

約数列:

[1, 2, 7, 11, 14, 22, 49, 71, 77, 98, 142, 154, 343, 433, 497, 539, 686, 781, 866, 994, 1078, 1562, 3031, 3479, 3773, 4763, 5467, 6062, 6958, 7546, 9526, 10934, 21217, 24353, 30743, 33341, 38269, 42434, 48706, 61486, 66682, 76538, 148519, 215201, 233387, 267883, 297038, 338173, 430402, 466774, 535766, 676346, 1506407, 1633709, 2367211, 3012814, 3267418, 4734422, 10544849, 16570477, 21089698, 33140954, 115993339, 231986678]

約数ペア:

[(1, 231986678), (2, 115993339), (7, 33140954), (11, 21089698), (14, 16570477), (22, 10544849), (49, 4734422), (71, 3267418), (77, 3012814), (98, 2367211), (142, 1633709), (154, 1506407), (343, 676346), (433, 535766), (497, 466774), (539, 430402), (686, 338173), (781, 297038), (866, 267883), (994, 233387), (1078, 215201), (1562, 148519), (3031, 76538), (3479, 66682), (3773, 61486), (4763, 48706), (5467, 42434), (6062, 38269), (6958, 33341), (7546, 30743), (9526, 24353), (10934, 21217)]