87415804

素因数分解:

$2^2\times 7^2\times {\mathrm{653}}^1\times {\mathrm{683}}^1$

素因数の和:1354

約数の個数: 36

約数和(自身を含む): 178487064

約数和(自身を除く): 91071260

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 653, 683, 1306, 1366, 2612, 2732, 4571, 4781, 9142, 9562, 18284, 19124, 31997, 33467, 63994, 66934, 127988, 133868, 445999, 891998, 1783996, 3121993, 6243986, 12487972, 21853951, 43707902, 87415804]

約数ペア:

[(1, 87415804), (2, 43707902), (4, 21853951), (7, 12487972), (14, 6243986), (28, 3121993), (49, 1783996), (98, 891998), (196, 445999), (653, 133868), (683, 127988), (1306, 66934), (1366, 63994), (2612, 33467), (2732, 31997), (4571, 19124), (4781, 18284), (9142, 9562)]