51481790

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 94944960

約数和(自身を除く): 43463170

約数列:

[1, 2, 5, 10, 73, 109, 146, 218, 365, 545, 647, 730, 1090, 1294, 3235, 6470, 7957, 15914, 39785, 47231, 70523, 79570, 94462, 141046, 236155, 352615, 472310, 705230, 5148179, 10296358, 25740895, 51481790]

約数ペア:

[(1, 51481790), (2, 25740895), (5, 10296358), (10, 5148179), (73, 705230), (109, 472310), (146, 352615), (218, 236155), (365, 141046), (545, 94462), (647, 79570), (730, 70523), (1090, 47231), (1294, 39785), (3235, 15914), (6470, 7957)]