1388243408

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{308773}}^1$

素因数の和:309062

約数の個数: 20

約数和(自身を含む): 2699302308

約数和(自身を除く): 1311058900

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 308773, 617546, 1235092, 2470184, 4940368, 86765213, 173530426, 347060852, 694121704, 1388243408]

約数ペア:

[(1, 1388243408), (2, 694121704), (4, 347060852), (8, 173530426), (16, 86765213), (281, 4940368), (562, 2470184), (1124, 1235092), (2248, 617546), (4496, 308773)]