63161980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{64451}}^1$

素因数の和:64474

約数の個数: 36

約数和(自身を含む): 154298088

約数和(自身を除く): 91136108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 64451, 128902, 257804, 322255, 451157, 644510, 902314, 1289020, 1804628, 2255785, 3158099, 4511570, 6316198, 9023140, 12632396, 15790495, 31580990, 63161980]

約数ペア:

[(1, 63161980), (2, 31580990), (4, 15790495), (5, 12632396), (7, 9023140), (10, 6316198), (14, 4511570), (20, 3158099), (28, 2255785), (35, 1804628), (49, 1289020), (70, 902314), (98, 644510), (140, 451157), (196, 322255), (245, 257804), (490, 128902), (980, 64451)]