71547266

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 125587200

約数和(自身を除く): 54039934

約数列:

[1, 2, 7, 14, 61, 122, 199, 398, 421, 427, 842, 854, 1393, 2786, 2947, 5894, 12139, 24278, 25681, 51362, 83779, 84973, 167558, 169946, 179767, 359534, 586453, 1172906, 5110519, 10221038, 35773633, 71547266]

約数ペア:

[(1, 71547266), (2, 35773633), (7, 10221038), (14, 5110519), (61, 1172906), (122, 586453), (199, 359534), (398, 179767), (421, 169946), (427, 167558), (842, 84973), (854, 83779), (1393, 51362), (2786, 25681), (2947, 24278), (5894, 12139)]