81706576

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 189416448

約数和(自身を除く): 107709872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 101, 112, 124, 202, 217, 233, 248, 404, 434, 466, 496, 707, 808, 868, 932, 1414, 1616, 1631, 1736, 1864, 2828, 3131, 3262, 3472, 3728, 5656, 6262, 6524, 7223, 11312, 12524, 13048, 14446, 21917, 23533, 25048, 26096, 28892, 43834, 47066, 50096, 50561, 57784, 87668, 94132, 101122, 115568, 164731, 175336, 188264, 202244, 329462, 350672, 376528, 404488, 658924, 729523, 808976, 1317848, 1459046, 2635696, 2918092, 5106661, 5836184, 10213322, 11672368, 20426644, 40853288, 81706576]

約数ペア:

[(1, 81706576), (2, 40853288), (4, 20426644), (7, 11672368), (8, 10213322), (14, 5836184), (16, 5106661), (28, 2918092), (31, 2635696), (56, 1459046), (62, 1317848), (101, 808976), (112, 729523), (124, 658924), (202, 404488), (217, 376528), (233, 350672), (248, 329462), (404, 202244), (434, 188264), (466, 175336), (496, 164731), (707, 115568), (808, 101122), (868, 94132), (932, 87668), (1414, 57784), (1616, 50561), (1631, 50096), (1736, 47066), (1864, 43834), (2828, 28892), (3131, 26096), (3262, 25048), (3472, 23533), (3728, 21917), (5656, 14446), (6262, 13048), (6524, 12524), (7223, 11312)]