28606655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 43476480

約数和(自身を除く): 14869825

約数列:

[1, 5, 7, 11, 35, 55, 67, 77, 335, 385, 469, 737, 1109, 2345, 3685, 5159, 5545, 7763, 12199, 25795, 38815, 60995, 74303, 85393, 371515, 426965, 520121, 817333, 2600605, 4086665, 5721331, 28606655]

約数ペア:

[(1, 28606655), (5, 5721331), (7, 4086665), (11, 2600605), (35, 817333), (55, 520121), (67, 426965), (77, 371515), (335, 85393), (385, 74303), (469, 60995), (737, 38815), (1109, 25795), (2345, 12199), (3685, 7763), (5159, 5545)]