31261878

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:346

約数の個数: 72

約数和(自身を含む): 75959208

約数和(自身を除く): 44697330

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 171, 283, 306, 323, 342, 361, 566, 646, 722, 849, 969, 1083, 1698, 1938, 2166, 2547, 2907, 3249, 4811, 5094, 5377, 5814, 6137, 6498, 9622, 10754, 12274, 14433, 16131, 18411, 28866, 32262, 36822, 43299, 48393, 55233, 86598, 91409, 96786, 102163, 110466, 182818, 204326, 274227, 306489, 548454, 612978, 822681, 919467, 1645362, 1736771, 1838934, 3473542, 5210313, 10420626, 15630939, 31261878]

約数ペア:

[(1, 31261878), (2, 15630939), (3, 10420626), (6, 5210313), (9, 3473542), (17, 1838934), (18, 1736771), (19, 1645362), (34, 919467), (38, 822681), (51, 612978), (57, 548454), (102, 306489), (114, 274227), (153, 204326), (171, 182818), (283, 110466), (306, 102163), (323, 96786), (342, 91409), (361, 86598), (566, 55233), (646, 48393), (722, 43299), (849, 36822), (969, 32262), (1083, 28866), (1698, 18411), (1938, 16131), (2166, 14433), (2547, 12274), (2907, 10754), (3249, 9622), (4811, 6498), (5094, 6137), (5377, 5814)]