12471990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{947}}^1$

素因数の和:1396

約数の個数: 32

約数和(自身を含む): 30032640

約数和(自身を除く): 17560650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 439, 878, 947, 1317, 1894, 2195, 2634, 2841, 4390, 4735, 5682, 6585, 9470, 13170, 14205, 28410, 415733, 831466, 1247199, 2078665, 2494398, 4157330, 6235995, 12471990]

約数ペア:

[(1, 12471990), (2, 6235995), (3, 4157330), (5, 2494398), (6, 2078665), (10, 1247199), (15, 831466), (30, 415733), (439, 28410), (878, 14205), (947, 13170), (1317, 9470), (1894, 6585), (2195, 5682), (2634, 4735), (2841, 4390)]