157821378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 372556800

約数和(自身を除く): 214735422

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 419, 429, 439, 838, 858, 878, 1257, 1317, 2514, 2634, 4609, 4829, 5447, 5707, 9218, 9658, 10894, 11414, 13827, 14487, 16341, 17121, 27654, 28974, 32682, 34242, 59917, 62777, 119834, 125554, 179751, 183941, 188331, 359502, 367882, 376662, 551823, 1103646, 2023351, 2391233, 4046702, 4782466, 6070053, 7173699, 12140106, 14347398, 26303563, 52607126, 78910689, 157821378]

約数ペア:

[(1, 157821378), (2, 78910689), (3, 52607126), (6, 26303563), (11, 14347398), (13, 12140106), (22, 7173699), (26, 6070053), (33, 4782466), (39, 4046702), (66, 2391233), (78, 2023351), (143, 1103646), (286, 551823), (419, 376662), (429, 367882), (439, 359502), (838, 188331), (858, 183941), (878, 179751), (1257, 125554), (1317, 119834), (2514, 62777), (2634, 59917), (4609, 34242), (4829, 32682), (5447, 28974), (5707, 27654), (9218, 17121), (9658, 16341), (10894, 14487), (11414, 13827)]