218263675

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 325550592

約数和(自身を除く): 107286917

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 211, 257, 575, 805, 1055, 1285, 1477, 1799, 4025, 4853, 5275, 5911, 6425, 7385, 8995, 24265, 29555, 33971, 36925, 41377, 44975, 54227, 121325, 147775, 169855, 206885, 271135, 379589, 849275, 1034425, 1247221, 1355675, 1897945, 6236105, 8730547, 9489725, 31180525, 43652735, 218263675]

約数ペア:

[(1, 218263675), (5, 43652735), (7, 31180525), (23, 9489725), (25, 8730547), (35, 6236105), (115, 1897945), (161, 1355675), (175, 1247221), (211, 1034425), (257, 849275), (575, 379589), (805, 271135), (1055, 206885), (1285, 169855), (1477, 147775), (1799, 121325), (4025, 54227), (4853, 44975), (5275, 41377), (5911, 36925), (6425, 33971), (7385, 29555), (8995, 24265)]