81411790

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 149503680

約数和(自身を除く): 68091890

約数列:

[1, 2, 5, 10, 73, 146, 229, 365, 458, 487, 730, 974, 1145, 2290, 2435, 4870, 16717, 33434, 35551, 71102, 83585, 111523, 167170, 177755, 223046, 355510, 557615, 1115230, 8141179, 16282358, 40705895, 81411790]

約数ペア:

[(1, 81411790), (2, 40705895), (5, 16282358), (10, 8141179), (73, 1115230), (146, 557615), (229, 355510), (365, 223046), (458, 177755), (487, 167170), (730, 111523), (974, 83585), (1145, 71102), (2290, 35551), (2435, 33434), (4870, 16717)]