2171877841

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 2585088000

約数和(自身を除く): 413210159

約数列:

[1, 7, 43, 101, 199, 301, 359, 707, 1393, 2513, 4343, 8557, 15437, 20099, 30401, 36259, 59899, 71441, 108059, 140693, 253813, 500087, 864257, 1559137, 3071963, 6049799, 7215541, 10913959, 21503741, 50508787, 310268263, 2171877841]

約数ペア:

[(1, 2171877841), (7, 310268263), (43, 50508787), (101, 21503741), (199, 10913959), (301, 7215541), (359, 6049799), (707, 3071963), (1393, 1559137), (2513, 864257), (4343, 500087), (8557, 253813), (15437, 140693), (20099, 108059), (30401, 71441), (36259, 59899)]