28196795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 39890880

約数和(自身を除く): 11694085

約数列:

[1, 5, 11, 17, 53, 55, 85, 187, 265, 569, 583, 901, 935, 2845, 2915, 4505, 6259, 9673, 9911, 30157, 31295, 48365, 49555, 106403, 150785, 331727, 512669, 532015, 1658635, 2563345, 5639359, 28196795]

約数ペア:

[(1, 28196795), (5, 5639359), (11, 2563345), (17, 1658635), (53, 532015), (55, 512669), (85, 331727), (187, 150785), (265, 106403), (569, 49555), (583, 48365), (901, 31295), (935, 30157), (2845, 9911), (2915, 9673), (4505, 6259)]