201621958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{86981}}^1$

素因数の和:87063

約数の個数: 16

約数和(自身を含む): 323573040

約数和(自身を除く): 121951082

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 86981, 173962, 1652639, 3305278, 5305841, 10611682, 100810979, 201621958]

約数ペア:

[(1, 201621958), (2, 100810979), (19, 10611682), (38, 5305841), (61, 3305278), (122, 1652639), (1159, 173962), (2318, 86981)]