212919875

素因数分解:

$5^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5659}}^1$

素因数の和:5724

約数の個数: 32

約数和(自身を含む): 310801920

約数和(自身を除く): 97882045

約数列:

[1, 5, 7, 25, 35, 43, 125, 175, 215, 301, 875, 1075, 1505, 5375, 5659, 7525, 28295, 37625, 39613, 141475, 198065, 243337, 707375, 990325, 1216685, 1703359, 4951625, 6083425, 8516795, 30417125, 42583975, 212919875]

約数ペア:

[(1, 212919875), (5, 42583975), (7, 30417125), (25, 8516795), (35, 6083425), (43, 4951625), (125, 1703359), (175, 1216685), (215, 990325), (301, 707375), (875, 243337), (1075, 198065), (1505, 141475), (5375, 39613), (5659, 37625), (7525, 28295)]