216824725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{2939}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 290918880

約数和(自身を除く): 74094155

約数列:

[1, 5, 13, 25, 65, 227, 325, 1135, 2939, 2951, 5675, 14695, 14755, 38207, 73475, 73775, 191035, 667153, 955175, 3335765, 8672989, 16678825, 43364945, 216824725]

約数ペア:

[(1, 216824725), (5, 43364945), (13, 16678825), (25, 8672989), (65, 3335765), (227, 955175), (325, 667153), (1135, 191035), (2939, 73775), (2951, 73475), (5675, 38207), (14695, 14755)]