31358936

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 71124480

約数和(自身を除く): 39765544

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 97, 161, 184, 194, 251, 322, 388, 502, 644, 679, 776, 1004, 1288, 1358, 1757, 2008, 2231, 2716, 3514, 4462, 5432, 5773, 7028, 8924, 11546, 14056, 15617, 17848, 23092, 24347, 31234, 40411, 46184, 48694, 62468, 80822, 97388, 124936, 161644, 170429, 194776, 323288, 340858, 559981, 681716, 1119962, 1363432, 2239924, 3919867, 4479848, 7839734, 15679468, 31358936]

約数ペア:

[(1, 31358936), (2, 15679468), (4, 7839734), (7, 4479848), (8, 3919867), (14, 2239924), (23, 1363432), (28, 1119962), (46, 681716), (56, 559981), (92, 340858), (97, 323288), (161, 194776), (184, 170429), (194, 161644), (251, 124936), (322, 97388), (388, 80822), (502, 62468), (644, 48694), (679, 46184), (776, 40411), (1004, 31234), (1288, 24347), (1358, 23092), (1757, 17848), (2008, 15617), (2231, 14056), (2716, 11546), (3514, 8924), (4462, 7028), (5432, 5773)]