201931784

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{4481}}^1$

素因数の和:4661

約数の個数: 32

約数和(自身を含む): 390471840

約数和(自身を除く): 188540056

約数列:

[1, 2, 4, 8, 43, 86, 131, 172, 262, 344, 524, 1048, 4481, 5633, 8962, 11266, 17924, 22532, 35848, 45064, 192683, 385366, 587011, 770732, 1174022, 1541464, 2348044, 4696088, 25241473, 50482946, 100965892, 201931784]

約数ペア:

[(1, 201931784), (2, 100965892), (4, 50482946), (8, 25241473), (43, 4696088), (86, 2348044), (131, 1541464), (172, 1174022), (262, 770732), (344, 587011), (524, 385366), (1048, 192683), (4481, 45064), (5633, 35848), (8962, 22532), (11266, 17924)]