212109690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{543871}}^1$

素因数の和:543894

約数の個数: 32

約数和(自身を含む): 548222976

約数和(自身を除く): 336113286

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 543871, 1087742, 1631613, 2719355, 3263226, 5438710, 7070323, 8158065, 14140646, 16316130, 21210969, 35351615, 42421938, 70703230, 106054845, 212109690]

約数ペア:

[(1, 212109690), (2, 106054845), (3, 70703230), (5, 42421938), (6, 35351615), (10, 21210969), (13, 16316130), (15, 14140646), (26, 8158065), (30, 7070323), (39, 5438710), (65, 3263226), (78, 2719355), (130, 1631613), (195, 1087742), (390, 543871)]