74872889

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 97542144

約数和(自身を除く): 22669255

約数列:

[1, 7, 13, 23, 83, 91, 161, 299, 431, 581, 1079, 1909, 2093, 3017, 5603, 7553, 9913, 13363, 24817, 35773, 39221, 69391, 128869, 173719, 250411, 465049, 822779, 902083, 3255343, 5759453, 10696127, 74872889]

約数ペア:

[(1, 74872889), (7, 10696127), (13, 5759453), (23, 3255343), (83, 902083), (91, 822779), (161, 465049), (299, 250411), (431, 173719), (581, 128869), (1079, 69391), (1909, 39221), (2093, 35773), (3017, 24817), (5603, 13363), (7553, 9913)]