625213225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1381}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 959660800

約数和(自身を除く): 334447575

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 199, 325, 455, 995, 1381, 1393, 2275, 2587, 4975, 6905, 6965, 9667, 12935, 17953, 18109, 34525, 34825, 48335, 64675, 89765, 90545, 125671, 241675, 274819, 448825, 452725, 628355, 1374095, 1923733, 3141775, 3572647, 6870475, 9618665, 17863235, 25008529, 48093325, 89316175, 125042645, 625213225]

約数ペア:

[(1, 625213225), (5, 125042645), (7, 89316175), (13, 48093325), (25, 25008529), (35, 17863235), (65, 9618665), (91, 6870475), (175, 3572647), (199, 3141775), (325, 1923733), (455, 1374095), (995, 628355), (1381, 452725), (1393, 448825), (2275, 274819), (2587, 241675), (4975, 125671), (6905, 90545), (6965, 89765), (9667, 64675), (12935, 48335), (17953, 34825), (18109, 34525)]