31438278

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 71126016

約数和(自身を除く): 39687738

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 103, 186, 206, 279, 309, 547, 558, 618, 927, 1094, 1641, 1854, 3193, 3282, 4923, 6386, 9579, 9846, 16957, 19158, 28737, 33914, 50871, 56341, 57474, 101742, 112682, 152613, 169023, 305226, 338046, 507069, 1014138, 1746571, 3493142, 5239713, 10479426, 15719139, 31438278]

約数ペア:

[(1, 31438278), (2, 15719139), (3, 10479426), (6, 5239713), (9, 3493142), (18, 1746571), (31, 1014138), (62, 507069), (93, 338046), (103, 305226), (186, 169023), (206, 152613), (279, 112682), (309, 101742), (547, 57474), (558, 56341), (618, 50871), (927, 33914), (1094, 28737), (1641, 19158), (1854, 16957), (3193, 9846), (3282, 9579), (4923, 6386)]