15905512

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 36391680

約数和(自身を除く): 20486168

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 53, 56, 92, 106, 161, 184, 212, 233, 322, 371, 424, 466, 644, 742, 932, 1219, 1288, 1484, 1631, 1864, 2438, 2968, 3262, 4876, 5359, 6524, 8533, 9752, 10718, 12349, 13048, 17066, 21436, 24698, 34132, 37513, 42872, 49396, 68264, 75026, 86443, 98792, 150052, 172886, 284027, 300104, 345772, 568054, 691544, 1136108, 1988189, 2272216, 3976378, 7952756, 15905512]

約数ペア:

[(1, 15905512), (2, 7952756), (4, 3976378), (7, 2272216), (8, 1988189), (14, 1136108), (23, 691544), (28, 568054), (46, 345772), (53, 300104), (56, 284027), (92, 172886), (106, 150052), (161, 98792), (184, 86443), (212, 75026), (233, 68264), (322, 49396), (371, 42872), (424, 37513), (466, 34132), (644, 24698), (742, 21436), (932, 17066), (1219, 13048), (1288, 12349), (1484, 10718), (1631, 9752), (1864, 8533), (2438, 6524), (2968, 5359), (3262, 4876)]