31211138

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 58014144

約数和(自身を除く): 26803006

約数列:

[1, 2, 7, 14, 23, 46, 49, 61, 98, 122, 161, 227, 322, 427, 454, 854, 1127, 1403, 1589, 2254, 2806, 2989, 3178, 5221, 5978, 9821, 10442, 11123, 13847, 19642, 22246, 27694, 36547, 68747, 73094, 96929, 137494, 193858, 255829, 318481, 511658, 636962, 678503, 1357006, 2229367, 4458734, 15605569, 31211138]

約数ペア:

[(1, 31211138), (2, 15605569), (7, 4458734), (14, 2229367), (23, 1357006), (46, 678503), (49, 636962), (61, 511658), (98, 318481), (122, 255829), (161, 193858), (227, 137494), (322, 96929), (427, 73094), (454, 68747), (854, 36547), (1127, 27694), (1403, 22246), (1589, 19642), (2254, 13847), (2806, 11123), (2989, 10442), (3178, 9821), (5221, 5978)]