28577017

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 8374535

約数列:

[1, 7, 17, 23, 53, 119, 161, 197, 371, 391, 901, 1219, 1379, 2737, 3349, 4531, 6307, 8533, 10441, 20723, 23443, 31717, 73087, 77027, 145061, 177497, 240143, 539189, 1242479, 1681001, 4082431, 28577017]

約数ペア:

[(1, 28577017), (7, 4082431), (17, 1681001), (23, 1242479), (53, 539189), (119, 240143), (161, 177497), (197, 145061), (371, 77027), (391, 73087), (901, 31717), (1219, 23443), (1379, 20723), (2737, 10441), (3349, 8533), (4531, 6307)]