247777478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{14821}}^1$

素因数の和:15479

約数の個数: 16

約数和(自身を含む): 400905456

約数和(自身を除く): 153127978

約数列:

[1, 2, 13, 26, 643, 1286, 8359, 14821, 16718, 29642, 192673, 385346, 9529903, 19059806, 123888739, 247777478]

約数ペア:

[(1, 247777478), (2, 123888739), (13, 19059806), (26, 9529903), (643, 385346), (1286, 192673), (8359, 29642), (14821, 16718)]