31399746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2909}}^1$

素因数の和:3178

約数の個数: 32

約数和(自身を含む): 72074880

約数和(自身を除く): 40675134

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 2909, 3598, 5397, 5818, 8727, 10794, 17454, 20363, 40726, 61089, 122178, 747613, 1495226, 2242839, 4485678, 5233291, 10466582, 15699873, 31399746]

約数ペア:

[(1, 31399746), (2, 15699873), (3, 10466582), (6, 5233291), (7, 4485678), (14, 2242839), (21, 1495226), (42, 747613), (257, 122178), (514, 61089), (771, 40726), (1542, 20363), (1799, 17454), (2909, 10794), (3598, 8727), (5397, 5818)]