531625913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{947}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 679526400

約数和(自身を除く): 147900487

約数列:

[1, 7, 13, 31, 91, 199, 217, 403, 947, 1393, 2587, 2821, 6169, 6629, 12311, 18109, 29357, 43183, 80197, 86177, 188453, 205499, 381641, 561379, 1319171, 2449889, 2671487, 5842043, 17149223, 40894301, 75946559, 531625913]

約数ペア:

[(1, 531625913), (7, 75946559), (13, 40894301), (31, 17149223), (91, 5842043), (199, 2671487), (217, 2449889), (403, 1319171), (947, 561379), (1393, 381641), (2587, 205499), (2821, 188453), (6169, 86177), (6629, 80197), (12311, 43183), (18109, 29357)]