197706990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{506941}}^1$

素因数の和:506964

約数の個数: 32

約数和(自身を含む): 510997536

約数和(自身を除く): 313290546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 506941, 1013882, 1520823, 2534705, 3041646, 5069410, 6590233, 7604115, 13180466, 15208230, 19770699, 32951165, 39541398, 65902330, 98853495, 197706990]

約数ペア:

[(1, 197706990), (2, 98853495), (3, 65902330), (5, 39541398), (6, 32951165), (10, 19770699), (13, 15208230), (15, 13180466), (26, 7604115), (30, 6590233), (39, 5069410), (65, 3041646), (78, 2534705), (130, 1520823), (195, 1013882), (390, 506941)]