139684130

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{340693}}^1$

素因数の和:340741

約数の個数: 16

約数和(自身を含む): 257564664

約数和(自身を除く): 117880534

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 340693, 681386, 1703465, 3406930, 13968413, 27936826, 69842065, 139684130]

約数ペア:

[(1, 139684130), (2, 69842065), (5, 27936826), (10, 13968413), (41, 3406930), (82, 1703465), (205, 681386), (410, 340693)]