138913216

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1621}}^1$

素因数の和:1749

約数の個数: 56

約数和(自身を含む): 299927264

約数和(自身を除く): 161014048

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 206, 208, 412, 416, 824, 832, 1339, 1621, 1648, 2678, 3242, 3296, 5356, 6484, 6592, 10712, 12968, 21073, 21424, 25936, 42146, 42848, 51872, 84292, 85696, 103744, 166963, 168584, 333926, 337168, 667852, 674336, 1335704, 1348672, 2170519, 2671408, 4341038, 5342816, 8682076, 10685632, 17364152, 34728304, 69456608, 138913216]

約数ペア:

[(1, 138913216), (2, 69456608), (4, 34728304), (8, 17364152), (13, 10685632), (16, 8682076), (26, 5342816), (32, 4341038), (52, 2671408), (64, 2170519), (103, 1348672), (104, 1335704), (206, 674336), (208, 667852), (412, 337168), (416, 333926), (824, 168584), (832, 166963), (1339, 103744), (1621, 85696), (1648, 84292), (2678, 51872), (3242, 42848), (3296, 42146), (5356, 25936), (6484, 21424), (6592, 21073), (10712, 12968)]