247487942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1543}}^1$

素因数の和:1788

約数の個数: 32

約数和(自身を含む): 415027200

約数和(自身を除く): 167539258

約数列:

[1, 2, 13, 26, 31, 62, 199, 398, 403, 806, 1543, 2587, 3086, 5174, 6169, 12338, 20059, 40118, 47833, 80197, 95666, 160394, 307057, 614114, 621829, 1243658, 3991741, 7983482, 9518767, 19037534, 123743971, 247487942]

約数ペア:

[(1, 247487942), (2, 123743971), (13, 19037534), (26, 9518767), (31, 7983482), (62, 3991741), (199, 1243658), (398, 621829), (403, 614114), (806, 307057), (1543, 160394), (2587, 95666), (3086, 80197), (5174, 47833), (6169, 40118), (12338, 20059)]