28130484

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 67326336

約数和(自身を除く): 39195852

約数列:

[1, 2, 3, 4, 6, 12, 71, 137, 142, 213, 241, 274, 284, 411, 426, 482, 548, 723, 822, 852, 964, 1446, 1644, 2892, 9727, 17111, 19454, 29181, 33017, 34222, 38908, 51333, 58362, 66034, 68444, 99051, 102666, 116724, 132068, 198102, 205332, 396204, 2344207, 4688414, 7032621, 9376828, 14065242, 28130484]

約数ペア:

[(1, 28130484), (2, 14065242), (3, 9376828), (4, 7032621), (6, 4688414), (12, 2344207), (71, 396204), (137, 205332), (142, 198102), (213, 132068), (241, 116724), (274, 102666), (284, 99051), (411, 68444), (426, 66034), (482, 58362), (548, 51333), (723, 38908), (822, 34222), (852, 33017), (964, 29181), (1446, 19454), (1644, 17111), (2892, 9727)]