278328421

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1\times {\mathrm{1033}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 324130048

約数和(自身を除く): 45801627

約数列:

[1, 7, 61, 427, 631, 1033, 4417, 7231, 38491, 63013, 269437, 441091, 651823, 4562761, 39761203, 278328421]

約数ペア:

[(1, 278328421), (7, 39761203), (61, 4562761), (427, 651823), (631, 441091), (1033, 269437), (4417, 63013), (7231, 38491)]