638490062

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{263621}}^1$

素因数の和:263803

約数の個数: 16

約数和(自身を含む): 1100885472

約数和(自身を除く): 462395410

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 263621, 527242, 1845347, 3690694, 45606433, 91212866, 319245031, 638490062]

約数ペア:

[(1, 638490062), (2, 319245031), (7, 91212866), (14, 45606433), (173, 3690694), (346, 1845347), (1211, 527242), (2422, 263621)]