397780551478

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1\times {\mathrm{9860209}}^1$

素因数の和:9861111

約数の個数: 16

約数和(自身を含む): 623323035360

約数和(自身を除く): 225542483882

約数列:

[1, 2, 23, 46, 877, 1754, 20171, 40342, 9860209, 19720418, 226784807, 453569614, 8647403293, 17294806586, 198890275739, 397780551478]

約数ペア:

[(1, 397780551478), (2, 198890275739), (23, 17294806586), (46, 8647403293), (877, 453569614), (1754, 226784807), (20171, 19720418), (40342, 9860209)]