861873805

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{12911}}^1$

素因数の和:13021

約数の個数: 24

約数和(自身を含む): 1134190080

約数和(自身を除く): 272316275

約数列:

[1, 5, 13, 65, 79, 169, 395, 845, 1027, 5135, 12911, 13351, 64555, 66755, 167843, 839215, 1019969, 2181959, 5099845, 10909795, 13259597, 66297985, 172374761, 861873805]

約数ペア:

[(1, 861873805), (5, 172374761), (13, 66297985), (65, 13259597), (79, 10909795), (169, 5099845), (395, 2181959), (845, 1019969), (1027, 839215), (5135, 167843), (12911, 66755), (13351, 64555)]