131419990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 263741184

約数和(自身を除く): 132321194

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 137, 157, 235, 274, 314, 470, 611, 685, 785, 1222, 1370, 1570, 1781, 2041, 3055, 3562, 4082, 6110, 6439, 7379, 8905, 10205, 12878, 14758, 17810, 20410, 21509, 32195, 36895, 43018, 64390, 73790, 83707, 95927, 107545, 167414, 191854, 215090, 279617, 418535, 479635, 559234, 837070, 959270, 1010923, 1398085, 2021846, 2796170, 5054615, 10109230, 13141999, 26283998, 65709995, 131419990]

約数ペア:

[(1, 131419990), (2, 65709995), (5, 26283998), (10, 13141999), (13, 10109230), (26, 5054615), (47, 2796170), (65, 2021846), (94, 1398085), (130, 1010923), (137, 959270), (157, 837070), (235, 559234), (274, 479635), (314, 418535), (470, 279617), (611, 215090), (685, 191854), (785, 167414), (1222, 107545), (1370, 95927), (1570, 83707), (1781, 73790), (2041, 64390), (3055, 43018), (3562, 36895), (4082, 32195), (6110, 21509), (6439, 20410), (7379, 17810), (8905, 14758), (10205, 12878)]