12215138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 21100800

約数和(自身を除く): 8885662

約数列:

[1, 2, 13, 19, 26, 38, 79, 158, 247, 313, 494, 626, 1027, 1501, 2054, 3002, 4069, 5947, 8138, 11894, 19513, 24727, 39026, 49454, 77311, 154622, 321451, 469813, 642902, 939626, 6107569, 12215138]

約数ペア:

[(1, 12215138), (2, 6107569), (13, 939626), (19, 642902), (26, 469813), (38, 321451), (79, 154622), (158, 77311), (247, 49454), (313, 39026), (494, 24727), (626, 19513), (1027, 11894), (1501, 8138), (2054, 5947), (3002, 4069)]