31685478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 40199322

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 79, 103, 118, 158, 177, 206, 237, 309, 354, 474, 618, 649, 869, 1133, 1298, 1738, 1947, 2266, 2607, 3399, 3894, 4661, 5214, 6077, 6798, 8137, 9322, 12154, 13983, 16274, 18231, 24411, 27966, 36462, 48822, 51271, 66847, 89507, 102542, 133694, 153813, 179014, 200541, 268521, 307626, 401082, 480083, 537042, 960166, 1440249, 2880498, 5280913, 10561826, 15842739, 31685478]

約数ペア:

[(1, 31685478), (2, 15842739), (3, 10561826), (6, 5280913), (11, 2880498), (22, 1440249), (33, 960166), (59, 537042), (66, 480083), (79, 401082), (103, 307626), (118, 268521), (158, 200541), (177, 179014), (206, 153813), (237, 133694), (309, 102542), (354, 89507), (474, 66847), (618, 51271), (649, 48822), (869, 36462), (1133, 27966), (1298, 24411), (1738, 18231), (1947, 16274), (2266, 13983), (2607, 12154), (3399, 9322), (3894, 8137), (4661, 6798), (5214, 6077)]